C313212111113331323312111133133313331333133313331333133313331333133313131133211   >>    C31321211111333132331211113313331333133313331333133313331333133313331313113321   <<    C313212111113331323312111133133313331333133313331333133313331333133313131133213   >>      C313212111113331323312111133133313331333133313331333133313331333133313131133212   >>