D331322332321323331323223313231121133132313331333132313311212121121   >>    D33132233232132333132322331323112113313231333133313231331121212112   <<    D331322332321323331323223313231121133132313331333132313311212121123   >>      D331322332321323331323223313231121133132313331333132313311212121122   >>