D23331313331322132313232233131111221123232233132313331123313231221   >>    D2333131333132213231323223313111122112323223313231333112331323122   <<    D23331313331322132313232233131111221123232233132313331123313231223   >>      D23331313331322132313232233131111221123232233132313331123313231222   >>