YACC5QR6WTVC3IJCCVH6GUYFU4KAPITOED43V2MDP3TVGLTL2NEQC
L5PHFTIERPDAFIOSHZSMAN2CUSFM626ISMGTDYRN5KWPLXCOVPXAC
SXEYMYF7P4RZMZ46WPL4IZUTSQ2ATBWYZX7QNVMS3SGOYXYOHAGQC
if graph_key.start != del_key.start && !v.flag.contains(EdgeFlags::BLOCK) { continue }
if graph_key.start != del_key.start && !v.flag.contains(EdgeFlags::BLOCK) {
continue
}