C31232233133313221211113313331333131211113313231333133311221123231221
>>
C3123223313331322121111331333133313121111331323133313331122112323122
<<
C31232233133313221211113313331333131211113313231333133311221123231223
>>
C31232233133313221211113313331333131211113313231333133311221123231222
>>