C313212111113331323312111133133313331333131212111111331311212131
>>
C31321211111333132331211113313331333133313121211111133131121213
<<
C313212111113331323312111133133313331333131212111111331311212133
>>
C313212111113331323312111133133313331333131212111111331311212132
>>