a1:a4 = { drand() }; a5 = "hi"; a7:a10 = { drand() }; b4:b8 = { drand() }; c1:c4 = { irand(20) }; c6:c10 = { irand(20) }; eval; print; debug on; sort a1:b10; sort c1:c10 uniq a; debug off; print symbols values;