diff --git a/tetris/components/grid.lua b/tetris/components/grid.lua
index 1711fdb..2edea61 100644
--- a/tetris/components/grid.lua
+++ b/tetris/components/grid.lua
@@ -288,6 +288,7 @@ function Grid:mirror()
 	local new_grid = {}
 	for y = 1, 24 do
 		for x = 1, 10 do
+			print(#self.grid)
 			new_grid[y][x] = self.grid[y][11 - x]
 		end
 	end
diff --git a/tetris/modes/sakura.lua b/tetris/modes/sakura.lua
index 685f245..9fb965a 100644
--- a/tetris/modes/sakura.lua
+++ b/tetris/modes/sakura.lua
@@ -3,7 +3,7 @@ require 'funcs'
 local GameMode = require 'tetris.modes.gamemode'
 local Piece = require 'tetris.components.piece'
 
-local History6RollsRandomizer = require 'tetris.randomizers.history_6rolls_35bag'
+local SakuraRandomizer = require 'tetris.randomizers.sakura'
 
 local SakuraGame = GameMode:extend()
 
@@ -267,7 +267,7 @@ local STAGE_TRANSITION_TIME = 300
 function SakuraGame:new()
     self.super:new()
 
-    self.randomizer = History6RollsRandomizer()
+    self.randomizer = SakuraRandomizer()
     
     self.current_map = 1
     self.time_limit = 10800
@@ -313,6 +313,12 @@ function SakuraGame:onPieceEnter()
     self.stage_pieces = self.stage_pieces + 1
 end
 
+function SakuraGame:onPieceLock()
+    if effects[self.current_map] == "mirror" and self.stage_pieces % 3 == 0 then
+        self.grid:mirror()
+    end
+end
+
 function SakuraGame:advanceOneFrame(inputs, ruleset)
     if self.ready_frames == 0 then
         if self.lcd > 0 then
diff --git a/tetris/randomizers/fixed_sequence.lua b/tetris/randomizers/fixed_sequence.lua
new file mode 100644
index 0000000..cbd8606
--- /dev/null
+++ b/tetris/randomizers/fixed_sequence.lua
@@ -0,0 +1,16 @@
+local Randomizer = require 'tetris.randomizers.randomizer'
+
+local Sequence = Randomizer:extend()
+
+function Sequence:initialize()
+    self.sequence = "IJLOT"
+    self.counter = 0
+end
+
+function Sequence:generatePiece()
+    local piece = string.sub(self.sequence, self.counter + 1, self.counter + 1)
+    self.counter = (self.counter + 1) % string.len(self.sequence)
+    return piece
+end
+
+return Sequence
\ No newline at end of file
diff --git a/tetris/randomizers/sakura.lua b/tetris/randomizers/sakura.lua
new file mode 100644
index 0000000..4b88025
--- /dev/null
+++ b/tetris/randomizers/sakura.lua
@@ -0,0 +1,10 @@
+local Sequence = require 'tetris.randomizers.fixed_sequence'
+
+local Sakura = Sequence:extend()
+
+function Sakura:initialize()
+    self.super:initialize()
+    self.sequence = "LIJOTSZILJOTISJZLOIJSZTIOJZTLSOZTISOLTJSIZTOJLIZSTOIZLTJOSILTZSOITJLZSTJJISOLJITSLZOIZSJOITSZLJTSZLISTJLZOTIOZSJILTZSOITZJSOLTJSZIOJLZIOJTZIZLOSIZTJOILZSOJIOSZTJILOSSILZOTJIZTSOLZTSOIJTZSILTZOSIJZTOLJISOLJTZSOLTZJSOTILZJTOLZIJSOZTJLOZSTLOZITSOLZTJIOSLZJTO"
+end
+
+return Sakura
\ No newline at end of file