C312322331333132212111133133313331323133313221211111122112323121121
>>
C31232233133313221211113313331333132313331322121111112211232312112
<<
C312322331333132212111133133313331323133313221211111122112323121123
>>
C312322331333132212111133133313331323133313221211111122112323121122
>>