C3123223313331322121111331333133313331311331133133313113313232213233231   >>    C312322331333132212111133133313331333131133113313331311331323221323323   <<    C3123223313331322121111331333133313331311331133133313113313232213233233   >>      C3123223313331322121111331333133313331311331133133313113313232213233232   >>