C312322331333132212111133133313331333133312121111331122112323221211
>>
C31232233133313221211113313331333133313331212111133112211232322121
<<
C312322331333132212111133133313331333133312121111331122112323221213
>>
C312322331333132212111133133313331333133312121111331122112323221212
>>