C313212111113331323312111133133313331333133312121111331311331213111
>>
C31321211111333132331211113313331333133313331212111133131133121311
<<
C313212111113331323312111133133313331333133312121111331311331213113
>>
C313212111113331323312111133133313331333133312121111331311331213112
>>