C31232233133313221211113313331333132313232233133313331321123131
>>
C3123223313331322121111331333133313231323223313331333132112313
<<
C31232233133313221211113313331333132313232233133313331321123133
>>
C31232233133313221211113313331333132313232233133313331321123132
>>