D23112331322331313231323331313132322331323211331313233231311311   >>    D2311233132233131323132333131313232233132321133131323323131131   <<    D23112331322331313231323331313132322331323211331313233231311313   >>      D23112331322331313231323331313132322331323211331313233231311312   >>