# NOT RUN {
strachey(3)
strachey(2,square=magic(5))
strachey(2,square=magic(5)) %eq% strachey(2,square=t(magic(5)))
#should be FALSE
#Show which numbers have been swapped:
strachey(2,square=matrix(0,5,5))
#It's still magic, but not normal:
is.magic(strachey(2,square=matrix(0,5,5)))
# }
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