4D digsum = 1A 26D digsum = 3A 1D * 32D = 5A 20D * 2 = 10A SUM 33A + 38A = SUM 27D + 11A = SUM 23D * 11 = 12A 21D * 11 = 16A HALF HALF * 2 = 22D 16D * HALF = 18A 20A + 19A = 30A 1A + 9A = 20A 23A + 28A = 24A 1A * 17A = 26A 15A + 13D = 30A 311A 73 3 312A 76 3 24A + 311A = 312A 15A ^ 2 = 33A DIFF DIFF * 2 = 35A DIFF + 22A = 21A 7D + 8D = 38A 30A - 36A = 39A 13D + 14D = 40A DS 24D digsum = DS 2D digsum = DS 24A * 3 = 3D 7D * 14D = 4D 29A + 32D = 5D 24A - 40A = 6D 13D squared = 7D 16A * 11 = 8D ROOT ROOT squared = 21D 8D * 11 = 23D DUB 33A * 2 = DUB DUB + 23D = 24D 18D + 29D = 25D 21D digsum = 28D 16D * 5 = 31D SQ 34D squared = SQ SQ - 28D = 37D