C312322331333132212111133133313331323133313221211111211111211112121
>>
C31232233133313221211113313331333132313331322121111121111121111212
<<
C312322331333132212111133133313331323133313221211111211111211112123
>>
C312322331333132212111133133313331323133313221211111211111211112122
>>