D1122112312233231312323132322331311331323132311331323331323232321   >>    D112211231223323131232313232233131133132313231133132333132323232   <<    D1122112312233231312323132322331311331323132311331323331323232323   >>      D1122112312233231312323132322331311331323132311331323331323232322   >>