you should not see the word fail

block1
block1 block1
block1 block1
block1 block1 block1
filler block1 block1
block2
block2 block2
block2 block2
block2 block2 block2
filler block2 block2
block3
block3 block3
block3 block3
block3 block3 block3
filler block3 block3
block4
block4 block4
block4 block4
block4 block4 block4
filler block4 block4
fail
fail fail
fail fail
fail fail fail
fail fail fail