D132311233131333131331123232233132313232233133313132313331323222233221   >>    D13231123313133313133112323223313231323223313331313231333132322223322   <<    D132311233131333131331123232233132313232233133313132313331323222233223   >>      D132311233131333131331123232233132313232233133313132313331323222233222   >>