C31232233133313221211113313331333132313232233133313331311221123231121
>>
C3123223313331322121111331333133313231323223313331333131122112323112
<<
C31232233133313221211113313331333132313232233133313331311221123231123
>>
C31232233133313221211113313331333132313232233133313331311221123231122
>>