diff --git a/configs/config_turnback.json b/configs/config_turnback.json
index fa7d0a5..89acef8 100644
--- a/configs/config_turnback.json
+++ b/configs/config_turnback.json
@@ -1,10 +1,10 @@
 {
-    "MonitorWindow": 1,
+    "MonitorWindow": true,
     "WindowPrefix": "SysDVR-Client [PID ",
     "image": "./images/spear_pillar/eye.png",
     "view": [
-        621,
-        343,
+        622,
+        341,
         17,
         19
     ],
diff --git a/memo.md b/memo.md
index 4001c2b..ef83512 100644
--- a/memo.md
+++ b/memo.md
@@ -2,11 +2,12 @@ memo.md
 
 type : roi_x, roi_y, roi_w, roi_h
 munchlax : 730, 670 ,50, 60
-home/eye_blur : 905, 750, 55, 55
-home/eye_normal : 905, 480, 55, 200
-ruin/eye : 920, 490, 35, 50
-secretbase/eye : 870, 680, 85, 90
-underground/eye : 925, 520, 35, 35
-trophygarden/eye : 930, 505, 30, 30
-mtcoronet/eye : 930, 510, 30, 40
-spearpillar/eye : 935,505,25,30
\ No newline at end of file
+trainer/home/eye_blur : 905, 750, 55, 55
+trainer/home/eye_normal : 905, 480, 55, 200
+trainer/ruin/eye : 920, 490, 35, 50
+trainer/secretbase/eye : 870, 680, 85, 90
+trainer/underground/eye : 925, 520, 35, 35
+trainer/trophygarden/eye : 930, 505, 30, 30
+trainer/mtcoronet/eye : 930, 510, 30, 40
+trainer/spearpillar/eye : 935,505,25,30
+barry/eye : 1065, 490, 30, 35
\ No newline at end of file
diff --git a/src/player_blink_gui.py b/src/player_blink_gui.py
index 14ccdb4..fc6f47f 100644
--- a/src/player_blink_gui.py
+++ b/src/player_blink_gui.py
@@ -467,8 +467,9 @@ class Application(tk.Frame):
         self.s01_23.insert(1.0,s01+"\n"+s23)
 
         print([hex(x) for x in state])
-        observed_blinks, _, offset_time = rngtool.tracking_blink(self.player_eye, *self.config_json["view"], MonitorWindow=self.config_json["MonitorWindow"], WindowPrefix=self.config_json["WindowPrefix"], crop=self.config_json["crop"], camera=self.config_json["camera"], tk_window=self, th=self.config_json["thresh"], size=20)
-        self.rng, adv = rngtool.reidentifyByBlinks(Xorshift(*state), observed_blinks, return_advance=True, npc=self.config_json["npc"])
+        observed_blinks, observed_intervals, offset_time = rngtool.tracking_blink(self.player_eye, *self.config_json["view"], MonitorWindow=self.config_json["MonitorWindow"], WindowPrefix=self.config_json["WindowPrefix"], crop=self.config_json["crop"], camera=self.config_json["camera"], tk_window=self, th=self.config_json["thresh"], size=6)
+        # self.rng, adv = rngtool.reidentifyByBlinks(Xorshift(*state), observed_blinks, return_advance=True, npc=self.config_json["npc"])
+        self.rng, adv = rngtool.reidentifyByIntervals(Xorshift(*state), observed_intervals, return_advance=True, npc=self.config_json["npc"])
 
 
         self.reidentify_button['text'] = "Reidentify"
diff --git a/src/rngtool.py b/src/rngtool.py
index f8e70ec..dd5cd3c 100644
--- a/src/rngtool.py
+++ b/src/rngtool.py
@@ -310,6 +310,19 @@ def recov(blinks:List[int],rawintervals:List[int])->Xorshift:
     return result
 
 def reidentifyByBlinks(rng:Xorshift, observed_blinks:List[int], npc = 0, search_max=10**6, search_min=0, return_advance=False)->Xorshift:
+    """reidentify Xorshift state by type of observed blinks.
+
+    Args:
+        rng (Xorshift): identified rng
+        observed_blinks (List[int]): 
+        npc (int, optional): num of npcs. Defaults to 0.
+        search_max (int, optional): . Defaults to 10**6.
+        search_min (int, optional): . Defaults to 0.
+
+    Returns:
+        Xorshift: reidentified rng
+    """
+    
     if search_max<search_min:
         search_min, search_max = search_max, search_min
     search_range = search_max - search_min
@@ -357,6 +370,73 @@ def reidentifyByBlinks(rng:Xorshift, observed_blinks:List[int], npc = 0, search_
 
     return None
 
+def reidentifyByIntervals(rng:Xorshift, rawintervals:List[int], npc = 0, search_max=10**6, search_min=0, return_advance=False)->Xorshift:
+    """reidentify Xorshift state by intervals of observed blinks. 
+    This method is faster than "reidentifyByBlinks" in most cases since it can be reidentified by less blinking.
+
+    Args:
+        rng (Xorshift): [description]
+        rawintervals (List[int]): list of intervals of blinks. 6 or more is recommended.
+        npc (int, optional): [description]. Defaults to 0.
+        search_max ([type], optional): [description]. Defaults to 10**6.
+        search_min (int, optional): [description]. Defaults to 0.
+
+    Returns:
+        Xorshift: [description]
+    """
+    intervals = rawintervals[1:]
+    if search_max<search_min:
+        search_min, search_max = search_max, search_min
+    search_range = search_max - search_min
+    observed_len = sum(intervals)+1
+
+    for d in range(1+npc):
+        identify_rng = Xorshift(*rng.getState())
+        blinkrands = [(i, int((r&0b1110)==0)) for i,r in list(enumerate(identify_rng.getNextRandSequence(search_max)))[d::1+npc]]
+
+        #prepare
+
+
+
+        expected_blinks_lst = []
+        expected_blinks = 0
+        lastblink_idx = -1
+        mask = (1<<observed_len)-1
+        for idx, r in blinkrands[:observed_len]:
+            lastblink_idx = idx
+
+            expected_blinks <<= 1
+            expected_blinks |= r
+
+        expected_blinks_lst.append((lastblink_idx, expected_blinks))
+
+        for idx, r in blinkrands[observed_len:]:
+            lastblink_idx = idx
+
+            expected_blinks <<= 1
+            expected_blinks |= r
+            expected_blinks &= mask
+
+            expected_blinks_lst.append((lastblink_idx, expected_blinks))
+
+        #search preparation
+        search_blinks = 1
+        for i in intervals:
+            search_blinks <<= i
+            search_blinks |= 1
+
+        #search
+        result = Xorshift(*rng.getState())
+        for idx, blinks in expected_blinks_lst:
+            if search_blinks==blinks and search_min <= idx:
+                print(f"found  at advances:{idx}, d={d}")
+                result.getNextRandSequence(idx)
+                if return_advance:
+                    return result, idx
+                return result
+
+    return None
+
 
 def recovByMunchlax(rawintervals:List[float])->Xorshift:
     """Recover the xorshift from the interval of Munchlax blinks.
diff --git a/src/starter.py b/src/starter.py
new file mode 100644
index 0000000..d3d9ab9
--- /dev/null
+++ b/src/starter.py
@@ -0,0 +1,175 @@
+import rngtool
+import calc
+import cv2
+import time
+from xorshift import Xorshift
+import heapq
+
+def firstspecify():
+    imgpath = "./trainer/home/eye_blur.png"
+    player_eye = cv2.imread(imgpath, cv2.IMREAD_GRAYSCALE)
+    if player_eye is None:
+        print("path is wrong")
+        return
+    blinks, intervals, offset_time = rngtool.tracking_blink(player_eye, 905, 750, 55, 55)
+    prng = rngtool.recov(blinks, intervals)
+
+    waituntil = time.perf_counter()
+    diff = round(waituntil-offset_time)
+    prng.getNextRandSequence(diff)
+
+    state = prng.getState()
+    print("state(64bit 64bit)")
+    print(hex(state[0]<<32|state[1]), hex(state[2]<<32|state[3]))
+    print("state(32bit 32bit 32bit 32bit)")
+    print(*[hex(s) for s in state])
+
+def reidentify():
+    print("input xorshift state(state[0] state[1] state[2] state[3])")
+    state = [int(x,0) for x in input().split()]
+
+    imgpath = "./barry/eye.png"
+    player_eye = cv2.imread(imgpath, cv2.IMREAD_GRAYSCALE)
+    if player_eye is None:
+        print("path is wrong")
+        return
+
+    observed_blinks, _, offset_time = rngtool.tracking_blink(player_eye, 1065, 490, 30, 35,size=20)
+    reidentified_rng = rngtool.reidentifyByBlinks(Xorshift(*state), observed_blinks,npc=1)
+    if reidentified_rng is None:
+        print("couldn't reidentify state.")
+        return
+
+    waituntil = time.perf_counter()
+    diff = int(-(-(waituntil-offset_time)//1))
+    print(diff, waituntil-offset_time)
+    reidentified_rng.advances(max(diff,0)*2)
+
+    state = reidentified_rng.getState()
+    print("state(64bit 64bit)")
+    print(hex(state[0]<<32|state[1]), hex(state[2]<<32|state[3]))
+    print("state(32bit 32bit 32bit 32bit)")
+    print(*[hex(s) for s in state])
+
+    advances = 0
+    waituntil = time.perf_counter()
+    time.sleep(diff - (waituntil - offset_time))
+
+    while True:
+        waituntil += 1.018       
+        
+        next_time = waituntil - time.perf_counter() or 0
+        time.sleep(next_time)
+        #player/barry
+        advances += 1
+        r = reidentified_rng.next()
+        print(f"advances:{advances}, blinks:{hex(r&0xF)}", end=" ")
+        #barry/player
+        advances += 1
+        r = reidentified_rng.next()
+        print(f"advances:{advances}, blinks:{hex(r&0xF)}", end=" ")
+        print()
+
+def starter_timeline():
+    print("input xorshift state(state[0] state[1] state[2] state[3])")
+    state = [int(x,0) for x in input().split()]
+
+    imgpath = "./barry/eye.png"
+    player_eye = cv2.imread(imgpath, cv2.IMREAD_GRAYSCALE)
+    if player_eye is None:
+        print("path is wrong")
+        return
+
+    observed_blinks, _, offset_time = rngtool.tracking_blink(player_eye, 1065, 490, 30, 35,size=20)
+    reidentified_rng = rngtool.reidentifyByBlinks(Xorshift(*state), observed_blinks,npc=1)
+    if reidentified_rng is None:
+        print("couldn't reidentify state.")
+        return
+
+    waituntil = time.perf_counter()
+    diff = int(-(-(waituntil-offset_time)//1))
+    print(waituntil-offset_time)
+    reidentified_rng.advances(max(diff,0)*2)
+
+    state = reidentified_rng.getState()
+    print("state(64bit 64bit)")
+    print(hex(state[0]<<32|state[1]), hex(state[2]<<32|state[3]))
+    print("state(32bit 32bit 32bit 32bit)")
+    print(*[hex(s) for s in state])
+
+    #timecounter reset
+    advances = 0
+    waituntil = time.perf_counter()
+    time.sleep(diff - (waituntil - offset_time))
+    print("next message 'I heard them say professor...'")
+
+    for _ in [0]*20:
+        waituntil += 1.018
+        next_time = waituntil - time.perf_counter() or 0
+        time.sleep(next_time)
+        #player/barry
+        advances += 1
+        r = reidentified_rng.next()
+        print(f"advances:{advances}, blinks:{hex(r&0xF)}", end=" ")
+        #barry/player
+        advances += 1
+        r = reidentified_rng.next()
+        print(f"advances:{advances}, blinks:{hex(r&0xF)}", end=" ")
+        print()
+
+    #advances(reference:https://github.com/Lincoln-LM/Project_Xs/blob/main/configs/config_starter.json)
+    advances += 41 #"advance_delay"
+    reidentified_rng.advances(41)
+    waituntil = time.perf_counter()
+    print("press A")
+    queue = []
+    
+    #first(?) starly
+    advances += 1
+    #blink_int = reidentified_rng.range(3.0, 12.0) + 0.285
+    blink_int = reidentified_rng.rangefloat(3,12) + 0.285
+    heapq.heappush(queue, waituntil+blink_int)
+    
+    #second(?) starly
+    advances += 1
+    #blink_int = reidentified_rng.range(3.0, 12.0) + 0.285
+    blink_int = reidentified_rng.rangefloat(3,12) + 0.285
+    heapq.heappush(queue, waituntil+blink_int)
+    print("next massage:'What's going on?!'")
+    for _ in range(4):
+        advances += 1
+        w = heapq.heappop(queue)
+        next_time = w - time.perf_counter() or 0
+        if next_time>0:
+            time.sleep(next_time)
+
+        #blink_int = reidentified_rng.range(3.0, 12.0) + 0.285
+        blink_int = reidentified_rng.rangefloat(3,12) + 0.285
+        heapq.heappush(queue, w+blink_int)
+        print(f"advances:{advances}, interval:{blink_int}")
+
+    #advances(reference:https://github.com/Lincoln-LM/Project_Xs/blob/main/configs/config_starter.json)
+    advances += 49 #"advance_delay_2"
+    reidentified_rng.advances(49)
+    print("press A")
+
+    #advance(+1 when select sterter)
+    advances += 1
+    while queue:
+        advances += 1
+        w = heapq.heappop(queue)
+        next_time = w - time.perf_counter() or 0
+        if next_time>0:
+            time.sleep(next_time)
+
+        #blink_int = reidentified_rng.range(3.0, 12.0) + 0.285
+        blink_int = reidentified_rng.rangefloat(3,12) + 0.285
+
+        heapq.heappush(queue, w+blink_int)
+        print(f"advances:{advances}, interval:{blink_int}")
+
+
+if __name__ == "__main__":
+    #firstspecify()
+    #reidentify()
+    starter_timeline()
\ No newline at end of file
diff --git a/src/stationary.py b/src/stationary.py
index 7296eac..997588d 100644
--- a/src/stationary.py
+++ b/src/stationary.py
@@ -121,8 +121,8 @@ def stationary_timeline():
     queue = []
     heapq.heappush(queue, (waituntil+1.017,0))
 
-    #blink_int = reidentified_rng.range(3.0, 12.0) + 0.3
-    blink_int = reidentified_rng.rangefloat(3,12) + 0.3
+    #blink_int = reidentified_rng.range(3.0, 12.0) + 0.285
+    blink_int = reidentified_rng.rangefloat(3,12) + 0.285
 
     heapq.heappush(queue, (waituntil+blink_int,1))
     while queue:
diff --git a/src/tidsid.py b/src/tidsid.py
index df809d1..c84c588 100644
--- a/src/tidsid.py
+++ b/src/tidsid.py
@@ -16,16 +16,17 @@ def getids(r):
     tid,sid = r&0xFFFF, r>>16
     return g7tid, tid, sid
 
-def generate_dangerintervals_list(k):
+def generate_dangerintervals_list(k,eps):
     lst = []
     for b in range(1<<k):
         b<<=(23-k)
         t = randrange(b, 100, 370)/30
-        lst.append(t+0.1)
-        lst.append(t-0.1)
-    lst.append(100/30+0.1)
+        lst.append(t+eps)
+        lst.append(t-eps)
+    lst.append(100/30+eps)
     lst.append(0)
     print(lst[::-1])
+    return lst[::-1]
 
 def expr():
     munch_eye = cv2.imread(config["image"], cv2.IMREAD_GRAYSCALE)
diff --git a/src/underground.py b/src/underground.py
index a77700e..1a95d63 100644
--- a/src/underground.py
+++ b/src/underground.py
@@ -104,6 +104,45 @@ def reidentify():
         next_time = waituntil - time.perf_counter() or 0
         time.sleep(next_time)
 
+def reidentifyInSecretBase():
+    print("input xorshift state(state[0] state[1] state[2] state[3])")
+    state = [int(x,0) for x in input().split()]
+    imgpath = "./trainer/secretbase/eye.png"
+    player_eye = cv2.imread(imgpath, cv2.IMREAD_GRAYSCALE)
+    if player_eye is None:
+        print("path is wrong")
+        return
+    blinks, observed_intervals, offset_time = rngtool.tracking_blink(player_eye, 870, 680, 85, 90, size=6)
+    reidentified_rng = rngtool.reidentifyByIntervals(Xorshift(*state), observed_intervals, npc=0)
+    if reidentified_rng is None:
+        print("couldn't reidentify state.")
+        return
+
+    waituntil = time.perf_counter()
+    diff = int(-(-(waituntil-offset_time)//1))
+    print(diff, waituntil-offset_time)
+    reidentified_rng.advances(max(diff,0))
+
+    state = reidentified_rng.getState()
+    print("state(64bit 64bit)")
+    print(hex(state[0]<<32|state[1]), hex(state[2]<<32|state[3]))
+    print("state(32bit 32bit 32bit 32bit)")
+    print(*[hex(s) for s in state])
+
+    #timecounter reset
+    advances = 0
+    waituntil = time.perf_counter()
+    time.sleep(diff - (waituntil - offset_time))
+
+    while True:
+        advances += 1
+        r = reidentified_rng.next()
+        waituntil += 1.017        
+        
+        next_time = waituntil - time.perf_counter() or 0
+        time.sleep(next_time)
+        print(f"advances:{advances}, blink:{hex(r&0xF)}")
+
 if __name__ == "__main__":
     #firstspecify()
-    reidentify()
\ No newline at end of file
+    reidentifyInSecretBase()
\ No newline at end of file