D23112331322331313231323331313132322331323211331323131122233231   >>    D2311233132233131323132333131313232233132321133132313112223323   <<    D23112331322331313231323331313132322331323211331323131122233233   >>      D23112331322331313231323331313132322331323211331323131122233232   >>