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BEGIN { a[1][1] = 11 a[1][2] = 12 a[2] = 2 delete a[1][1] f(a, a[1]) print a[1][1] print length(a), length(a[1]) delete a print length(a), length(a[1]), length(a) a[1][1] = 11 } function f(c, b) { delete b b[1] = 1 print c[1][1], b[1] delete c[2] }