C1111233131211111211113313331333133313331322322331323131133112111211   >>    C111123313121111121111331333133313331333132232233132313113311211121   <<    C1111233131211111211113313331333133313331322322331323131133112111213   >>      C1111233131211111211113313331333133313331322322331323131133112111212   >>