C313212111113331323312111133133313331333133313331333133313113313223123231   >>    C31321211111333132331211113313331333133313331333133313331311331322312323   <<    C313212111113331323312111133133313331333133313331333133313113313223123233   >>      C313212111113331323312111133133313331333133313331333133313113313223123232   >>