D331311121133132313331333133313331323132313331311331322331322121221   >>    D33131112113313231333133313331333132313231333131133132233132212122   <<    D331311121133132313331333133313331323132313331311331322331322121223   >>      D331311121133132313331333133313331323132313331311331322331322121222   >>