D23112331322331313231323331313132322331323211331323131122112323132322221   >>    D2311233132233131323132333131313232233132321133132313112211232313232222   <<    D23112331322331313231323331313132322331323211331323131122112323132322223   >>      D23112331322331313231323331313132322331323211331323131122112323132322222   >>