1 INTEGER A, B, C, D 2 PARAMETER (A=1, B=2, C=3, D=4) 3 INTEGER AB, AC, AD, BC, BD, CD 4 PARAMETER (AB=1, AC=2, AD=3, BC=4, BD=5, CD=6) 5 INTEGER ABC, ABD, ACD, BCD 6 PARAMETER (ABC=1, ABD = 2, ACD = 3, BCD = 4) 7 8 INTEGER I1(6), I2(6), I3(6), I4(6), IP(6), IP1(3), IP2(3) 9 DATA I1 / A, A, A, B, B, C / 10 DATA I2 / B, C, D, C, D, D / 11 DATA I3 / C, B, B, A, A, A / 12 DATA I4 / D, D, C, D, C, B / 13 DATA IP / CD, BD, BC, AD, AC, AB / 14 DATA IP1 / AB, AC, AD / 15 DATA IP2 / CD, BD, BC / 16