C312322331333132212111133133313331323133313233333211312111111222121
>>
C31232233133313221211113313331333132313331323333321131211111122212
<<
C312322331333132212111133133313331323133313233333211312111111222123
>>
C312322331333132212111133133313331323133313233333211312111111222122
>>