D331121122112323331323331323112113313113313233313331323223313232211   >>    D33112112211232333132333132311211331311331323331333132322331323221   <<    D331121122112323331323331323112113313113313233313331323223313232213   >>      D331121122112323331323331323112113313113313233313331323223313232212   >>