C31232233133313221211113313331333131211113313231333133112312321211
>>
C3123223313331322121111331333133313121111331323133313311231232121
<<
C31232233133313221211113313331333131211113313231333133112312321213
>>
C31232233133313221211113313331333131211113313231333133112312321212
>>