D11213232233132233131121133132311331323331323331323132313231121   >>    D1121323223313223313112113313231133132333132333132313231323112   <<    D11213232233132233131121133132311331323331323331323132313231123   >>      D11213232233132233131121133132311331323331323331323132313231122   >>