D331322332321323331323223313231121133132313331333132313221322121   >>    D33132233232132333132322331323112113313231333133313231322132212   <<    D331322332321323331323223313231121133132313331333132313221322123   >>      D331322332321323331323223313231121133132313331333132313221322122   >>