D11213232233132233131121133132311331323331323331323132313331333133313231121   >>    D1121323223313223313112113313231133132333132333132313231333133313331323112   <<    D11213232233132233131121133132311331323331323331323132313331333133313231123   >>      D11213232233132233131121133132311331323331323331323132313331333133313231122   >>