{1/2, 3/4, 1/3, - 1/2, 8/5, 7/8} =
={- 1/2, 1/3, 1/2, 3/4, 7/8, 8/5}
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{- 5/6, 3/2, 5/4, - 8/9, 3/3, 9/5} =
={- 8/9, - 5/6, 1, 5/4, 3/2, 9/5}
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{- 4/3, 5/2, - 11/6, - 7/2, 7/6, 5/4}=
={- 7/2, - 11/6, - 4/3, 7/6, 5/4, 5/2}