C31232233133313221211113313331333131211113313231333132213232212121
>>
C3123223313331322121111331333133313121111331323133313221323221212
<<
C31232233133313221211113313331333131211113313231333132213232212123
>>
C31232233133313221211113313331333131211113313231333132213232212122
>>