C313212111113331323312111133133313331333133313331333133313331311331223231   >>    C31321211111333132331211113313331333133313331333133313331333131133122323   <<    C313212111113331323312111133133313331333133313331333133313331311331223233   >>      C313212111113331323312111133133313331333133313331333133313331311331223232   >>