C313212111113331323312111133133313331333133312121111133313222233211
>>
C31321211111333132331211113313331333133313331212111113331322223321
<<
C313212111113331323312111133133313331333133312121111133313222233213
>>
C313212111113331323312111133133313331333133312121111133313222233212
>>