C313212111113331323312111133133313331333133313331333133313331333131331123123231   >>    C31321211111333132331211113313331333133313331333133313331333133313133112312323   <<    C313212111113331323312111133133313331333133313331333133313331333131331123123233   >>      C313212111113331323312111133133313331333133313331333133313331333131331123123232   >>