D1122112312233231312323132322331323223313331323233231323132333112331   >>    D112211231223323131232313232233132322331333132323323132313233311233   <<    D1122112312233231312323132322331323223313331323233231323132333112333   >>      D1122112312233231312323132322331323223313331323233231323132333112332   >>