C1111133313331323223313331333133313113313113313231333131133132323331313311   >>    C111113331333132322331333133313331311331311331323133313113313232333131331   <<    C1111133313331323223313331333133313113313113313231333131133132323331313313   >>      C1111133313331323223313331333133313113313113313231333131133132323331313312   >>