C313212111113331323312111133133313331333131212111133133311232321311
>>
C31321211111333132331211113313331333133313121211113313331123232131
<<
C313212111113331323312111133133313331333131212111133133311232321313
>>
C313212111113331323312111133133313331333131212111133133311232321312
>>