Exception of the kind where three numbers from different surfaces add to 42 but are non-collinear 1 19 22 2 16 24 2 17 23 3 17 22 4 12 26 4 15 23 5 10 27 5 11 26 5 13 24 5 15 22 6 9 27 6 11 25 6 13 23 7 15 20 8 13 21 9 15 18 10 13 19 10 15 17 11 13 18 11 15 16 12 13 17 -------------------------------------