C31232233133313221211113313331333131211113313231333132211222221
>>
C3123223313331322121111331333133313121111331323133313221122222
<<
C31232233133313221211113313331333131211113313231333132211222223
>>
C31232233133313221211113313331333131211113313231333132211222222
>>