D23331313331322132313232233131121133132333133313231333131121221   >>    D2333131333132213231323223313112113313233313331323133313112122   <<    D23331313331322132313232233131121133132333133313231333131121223   >>      D23331313331322132313232233131121133132333133313231333131121222   >>