D331121122112323331323331323112113313113313233313331323223313232213231   >>    D33112112211232333132333132311211331311331323331333132322331323221323   <<    D331121122112323331323331323112113313113313233313331323223313232213233   >>      D331121122112323331323331323112113313113313233313331323223313232213232   >>