C313131323331311331322331322331311211331323331322331323131232313233321   >>    C31313132333131133132233132233131121133132333132233132313123231323332   <<    C313131323331311331322331322331311211331323331322331323131232313233323   >>      C313131323331311331322331322331311211331323331322331323131232313233322   >>