D331311121133132313331333133313331311331323132313223313131133132322331322121   >>    D33131112113313231333133313331333131133132313231322331313113313232233132212   <<    D331311121133132313331333133313331311331323132313223313131133132322331322123   >>      D331311121133132313331333133313331311331323132313223313131133132322331322122   >>