C1111133313331323223313331333133313331323131211113313223323112111   >>    C111113331333132322331333133313331333132313121111331322332311211   <<    C1111133313331323223313331333133313331323131211113313223323112113   >>      C1111133313331323223313331333133313331323131211113313223323112112   >>