D11213232233132233131121133132311331323331323331323132313331333132213121   >>    D1121323223313223313112113313231133132333132333132313231333133313221312   <<    D11213232233132233131121133132311331323331323331323132313331333132213123   >>      D11213232233132233131121133132311331323331323331323132313331333132213122   >>