# name  x       y       block - 2x3 ints
aaaa    1.0     8.0     1 2 3 4 5 6
aaaa    2.0     7.4     2 11 22 3 4 5 6
bbbb    3.5     8.5     3 0 22 44 5 6
aaaa    6.4     4.0     4 1 3 33 54 65
aaaa    8.8     4.1     5 5 3 4 44 77
bbbb    5.5     9.1     6 3 4 5 0 55
bbbb    7.7     8.5     7 2 3 4 5 66