C31232233133313221211113313331333132313331322121111331133121121
>>
C3123223313331322121111331333133313231333132212111133113312112
<<
C31232233133313221211113313331333132313331322121111331133121123
>>
C31232233133313221211113313331333132313331322121111331133121122
>>