C313212111113331323312111133133313331333131212111111222333131121
>>
C31321211111333132331211113313331333133313121211111122233313112
<<
C313212111113331323312111133133313331333131212111111222333131123
>>
C313212111113331323312111133133313331333131212111111222333131122
>>