C313212111113331323312111133133313331333133312121111112113211311
>>
C31321211111333132331211113313331333133313331212111111211321131
<<
C313212111113331323312111133133313331333133312121111112113211313
>>
C313212111113331323312111133133313331333133312121111112113211312
>>