D2311231323331322331313232233132322132322233231323133313231311211331   >>    D231123132333132233131323223313232213232223323132313331323131121133   <<    D2311231323331322331313232233132322132322233231323133313231311211333   >>      D2311231323331322331313232233132322132322233231323133313231311211332   >>