C313212111113331323312111133133313331333133313331333133313331333133313112112231   >>    C31321211111333132331211113313331333133313331333133313331333133313331311211223   <<    C313212111113331323312111133133313331333133313331333133313331333133313112112233   >>      C313212111113331323312111133133313331333133313331333133313331333133313112112232   >>