C22231321133132233132322331323113311211331311331322331323232221   >>    C2223132113313223313232233132311331121133131133132233132323222   <<    C22231321133132233132322331323113311211331311331322331323232223   >>      C22231321133132233132322331323113311211331311331322331323232222   >>