D233313231211211331323223313112113313233313232222331323132313331322121   >>    D23331323121121133132322331311211331323331323222233132313231333132212   <<    D233313231211211331323223313112113313233313232222331323132313331322123   >>      D233313231211211331323223313112113313233313232222331323132313331322122   >>