C313212111113331323312111133133313331333131212111113331311331322331323222211   >>    C31321211111333132331211113313331333133313121211111333131133132233132322221   <<    C313212111113331323312111133133313331333131212111113331311331322331323222213   >>      C313212111113331323312111133133313331333131212111113331311331322331323222212   >>