C313212111113331323312111133133313331333133313331333133313331331121111132321111   >>    C31321211111333132331211113313331333133313331333133313331333133112111113232111   <<    C313212111113331323312111133133313331333133313331333133313331331121111132321113   >>      C313212111113331323312111133133313331333133313331333133313331331121111132321112   >>