D132311233131333131331123232233132313232233133313132313231333132323312111   >>    D13231123313133313133112323223313231323223313331313231323133313232331211   <<    D132311233131333131331123232233132313232233133313132313231333132323312113   >>      D132311233131333131331123232233132313232233133313132313231333132323312112   >>