C313212111113331323312111133133313331333133313331333133313221211111   >>    C31321211111333132331211113313331333133313331333133313331322121111   <<    C313212111113331323312111133133313331333133313331333133313221211113   >>      C313212111113331323312111133133313331333133313331333133313221211112   >>