C111123313121111121111331333133313331323223213331311331323112111   >>    C11112331312111112111133133313331333132322321333131133132311211   <<    C111123313121111121111331333133313331323223213331311331323112113   >>      C111123313121111121111331333133313331323223213331311331323112112   >>