C1111133313331323223313331333133313113313113313231333131133132323331312311211   >>    C111113331333132322331333133313331311331311331323133313113313232333131231121   <<    C1111133313331323223313331333133313113313113313231333131133132323331312311213   >>      C1111133313331323223313331333133313113313113313231333131133132323331312311212   >>