D132311233131333131331123232233132313232233133313132313231333132333132212111   >>    D13231123313133313133112323223313231323223313331313231323133313233313221211   <<    D132311233131333131331123232233132313232233133313132313231333132333132212113   >>      D132311233131333131331123232233132313232233133313132313231333132333132212112   >>