D331322332321323331323223313231121133132313331333131122313231221   >>    D33132233232132333132322331323112113313231333133313112231323122   <<    D331322332321323331323223313231121133132313331333131122313231223   >>      D331322332321323331323223313231121133132313331333131122313231222   >>