D23112331322331313231323331313132322331323211331323131113212111   >>    D2311233132233131323132333131313232233132321133132313111321211   <<    D23112331322331313231323331313132322331323211331323131113212113   >>      D23112331322331313231323331313132322331323211331323131113212112   >>