D1121111233132233131121133132311331323331333132313331323331323133313211   >>    D112111123313223313112113313231133132333133313231333132333132313331321   <<    D1121111233132233131121133132311331323331333132313331323331323133313213   >>      D1121111233132233131121133132311331323331333132313331323331323133313212   >>