C1111121111331311211331333133313331311312111133133313331211113313331323223311   >>    C111112111133131121133133313331333131131211113313331333121111331333132322331   <<    C1111121111331311211331333133313331311312111133133313331211113313331323223313   >>      C1111121111331311211331333133313331311312111133133313331211113313331323223312   >>