C313212111113331323312111133133313331333133313331333133313233212331   >>    C31321211111333132331211113313331333133313331333133313331323321233   <<    C313212111113331323312111133133313331333133313331333133313233212333   >>      C313212111113331323312111133133313331333133313331333133313233212332   >>