abcdefghijHDF  D*`HEAPg1g2TREEX hHEAP0D TREE  SNOD( HEAP0t TREE HEAP0 TREE` ` ( SNOD ` ( P0 HEAP0 TREE 0 HEAP0 !TREE SNOD      2p@ P attr1 1st attribute of dset1.1.14!XSNODP  2p@SNOD!   2p@SNODX!   2p@p` @ attr1  abcdefghi H attr2       $ #(- $*06#*18? (08@H $-6?HQ ????ff?33???ٙ?ff?33=>L>>>L>??L>??fff?g1.1g1.2dset2.1dset2.2dset1.1.1dset1.1.2g1.2.1 somevalueslink P attr2 2nd attribute of dset1.1.1