D23331313331322132313232233131121133132313231333132313331323133313221121   >>    D2333131333132213231323223313112113313231323133313231333132313331322112   <<    D23331313331322132313232233131121133132313231333132313331323133313221123   >>      D23331313331322132313232233131121133132313231333132313331323133313221122   >>