D132311233131333131331123232233132313232233133313132313331323222331111   >>    D13231123313133313133112323223313231323223313331313231333132322233111   <<    D132311233131333131331123232233132313232233133313132313331323222331113   >>      D132311233131333131331123232233132313232233133313132313331323222331112   >>