j
k
j a
j l
Argh. Maybe this has fewer mistakes. Tricky, that 5. —Dan
...---------------------------- {0}, {1}, {5}, {6} {-1, 1}, {-4, 4} {-3, -1, 1, 3}, {-4, -2, 2, 4} {-4, -3, -2, -1, 1, 2, 3, 4} ----------------------------
---------------------------- {0}, {1}, {5}, {6} {-1, 1}, {-4, 4} {-3, -1, 1, 3}, {-4, -2, 2, 4} {-4, -3, -2, -1, 1, 2, 3, 4} ----------------------------
---------------------------- {0}, {1}, {5}, {6}
{-1, 1}, {-4, 4}
{-3, -1, 1, 3}, {-4, -2, 2, 4}
{-4, -3, -2, -1, 1, 2, 3, 4} ----------------------------
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