D1121111233132233131121133132311331323331333132313331323331322123231   >>    D112111123313223313112113313231133132333133313231333132333132212323   <<    D1121111233132233131121133132311331323331333132313331323331322123233   >>      D1121111233132233131121133132311331323331333132313331323331322123232   >>