D1121111233132233131121133132311331323331333132313232113313221231   >>    D112111123313223313112113313231133132333133313231323211331322123   <<    D1121111233132233131121133132311331323331333132313232113313221233   >>      D1121111233132233131121133132311331323331333132313232113313221232   >>