gkMagic            = 0x504b473a756e6163
gkVersion          = 0x0000000000000001

gkLibrarySize      = 168
gkReadSize         = 16
gkMaxLibrariesBits = 6
gkLibraryNameSize  = 128
gkMaxReadBits      = 37
gkMaxReadLenBits   = 21

numLibraries       = 11
numReads           = 1738852