D2233132223132333132322331311221123231311233131121133132313331323232211   >>    D223313222313233313232233131122112323131123313112113313231333132323221   <<    D2233132223132333132322331311221123231311233131121133132313331323232213   >>      D2233132223132333132322331311221123231311233131121133132313331323232212   >>