C313212111113331323312111133133313331333133313331333133313331333112121121111   >>    C31321211111333132331211113313331333133313331333133313331333133311212112111   <<    C313212111113331323312111133133313331333133313331333133313331333112121121113   >>      C313212111113331323312111133133313331333133313331333133313331333112121121112   >>