C313212111113331323312111133133313331333133313331333133313331312212231   >>    C31321211111333132331211113313331333133313331333133313331333131221223   <<    C313212111113331323312111133133313331333133313331333133313331312212233   >>      C313212111113331323312111133133313331333133313331333133313331312212232   >>