D11213232233132233131121133132311331323331323331323132313331333131232211   >>    D1121323223313223313112113313231133132333132333132313231333133313123221   <<    D11213232233132233131121133132311331323331323331323132313331333131232213   >>      D11213232233132233131121133132311331323331323331323132313331333131232212   >>