FDVY4TXQKPOJZO3SEOUOY52JN6FXA7YGIN7JVOLARTMVKALWETFQC
UEICYVRXRLWSAHYZT2ZSO5D5EUINBHJQI6QWQPVE22HVTBC344GQC
HBZVMDSQU5KSMGZXRL67OERWEDNGTSYJVGV4BFDKKSSSHU4X23AAC
BVR7DVINVPQG7PA6Z7QYVYNQ43YZL7XCC6AOMSMWMGAAB2Q43STAC
for (int level = int(ghext->leveldata.size()) - 2; level >= 0; --level)