C313212111113331323312111133133313331333133313331333133313331333131311331121211   >>    C31321211111333132331211113313331333133313331333133313331333133313131133112121   <<    C313212111113331323312111133133313331333133313331333133313331333131311331121213   >>      C313212111113331323312111133133313331333133313331333133313331333131311331121212   >>