44HXAOMJAKQJEZNE5ESE4HZ2NOOMFKMH2GYIG5WOSAOWN6GTNN6QC
I24UEJQLCH2SOXA4UHIYWTRDCHSOPU7AFTRUOTX7HZIAV4AZKYEQC
if !n.flag.contains(EdgeFlags::BLOCK) { break }
if !n.flag.contains(EdgeFlags::BLOCK) {
break
}