C313212111113331323312111133133313331333133313331333133311212331   >>    C31321211111333132331211113313331333133313331333133313331121233   <<    C313212111113331323312111133133313331333133313331333133311212333   >>      C313212111113331323312111133133313331333133313331333133311212332   >>