C23221211113313331233133313331312111112111133313331333313223311   >>    C2322121111331333123313331333131211111211113331333133331322331   <<    C23221211113313331233133313331312111112111133313331333313223313   >>      C23221211113313331233133313331312111112111133313331333313223312   >>