D132311233131333131331123232233132313232233133313132313231323232131121   >>    D13231123313133313133112323223313231323223313331313231323132323213112   <<    D132311233131333131331123232233132313232233133313132313231323232131123   >>      D132311233131333131331123232233132313232233133313132313231323232131122   >>