C1111121111331311211331333133313331322133313331311331322331323112121   >>    C111112111133131121133133313331333132213331333131133132233132311212   <<    C1111121111331311211331333133313331322133313331311331322331323112123   >>      C1111121111331311211331333133313331322133313331311331322331323112122   >>