D331322332321323331323223313231121133132313331333132313231312121121   >>    D33132233232132333132322331323112113313231333133313231323131212112   <<    D331322332321323331323223313231121133132313331333132313231312121123   >>      D331322332321323331323223313231121133132313331333132313231312121122   >>