D23112331322331313231323331313132322331323211331323131122112312312121   >>    D2311233132233131323132333131313232233132321133132313112211231231212   <<    D23112331322331313231323331313132322331323211331323131122112312312123   >>      D23112331322331313231323331313132322331323211331323131122112312312122   >>