D23112331322331313231323331313132322331323211331313233231312111   >>    D2311233132233131323132333131313232233132321133131323323131211   <<    D23112331322331313231323331313132322331323211331313233231312113   >>      D23112331322331313231323331313132322331323211331313233231312112   >>