C31232233133313221211113313331333132313331322121111123313113121121
>>
C3123223313331322121111331333133313231333132212111112331311312112
<<
C31232233133313221211113313331333132313331322121111123313113121123
>>
C31232233133313221211113313331333132313331322121111123313113121122
>>