go test fuzz v1
[]byte("\xbf0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")
go test fuzz v1
[]byte("\xbf0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000")