{ "(2, 2, 3)": { "p": [ { "powers": [ -2 ], "coefficient": "1" }, { "powers": [ 0 ], "coefficient": "-1" } ] }, "(3, 2, 2)": { "d": [ { "powers": [ -2 ], "coefficient": "1" }, { "powers": [ 0 ], "coefficient": "-1" } ], "u": [ { "powers": [ -1 ], "coefficient": "1" }, { "powers": [ 1 ], "coefficient": "-1" } ], "xa": [ { "powers": [ -2 ], "coefficient": "-1" }, { "powers": [ 2 ], "coefficient": "1" } ], "v": [ { "powers": [ -1 ], "coefficient": "1" }, { "powers": [ 1 ], "coefficient": "-1" } ] }, "(3, 3, 2)": { "xb": [ { "powers": [ -2 ], "coefficient": "1" }, { "powers": [ 2 ], "coefficient": "-1" } ], "u": [ { "powers": [ -1 ], "coefficient": "-1" }, { "powers": [ 1 ], "coefficient": "1" } ], "v": [ { "powers": [ -1 ], "coefficient": "-1" }, { "powers": [ 1 ], "coefficient": "1" } ], "d": [ { "powers": [ -2 ], "coefficient": "-1" }, { "powers": [ 0 ], "coefficient": "1" } ] }, "(4, 2, 3)": { "('u', 2, 4)": [ { "powers": [ -1 ], "coefficient": "1" }, { "powers": [ 1 ], "coefficient": "-1" } ], "('v', 2, 4)": [ { "powers": [ -1 ], "coefficient": "1" }, { "powers": [ 1 ], "coefficient": "-1" } ], "('v', 2, 3)": [ { "powers": [ -1 ], "coefficient": "-1" }, { "powers": [ 1 ], "coefficient": "1" } ], "('u', 2, 3)": [ { "powers": [ -1 ], "coefficient": "-1" }, { "powers": [ 1 ], "coefficient": "1" } ] }, "(3, 4, 2)": { "('v', 3, 4)": [ { "powers": [ -1 ], "coefficient": "1" }, { "powers": [ 1 ], "coefficient": "-1" } ], "('u', 3, 4)": [ { "powers": [ -1 ], "coefficient": "1" }, { "powers": [ 1 ], "coefficient": "-1" } ], "('u', 2, 4)": [ { "powers": [ -1 ], "coefficient": "-1" }, { "powers": [ 1 ], "coefficient": "1" } ], "('v', 2, 4)": [ { "powers": [ -1 ], "coefficient": "-1" }, { "powers": [ 1 ], "coefficient": "1" } ] }, "status": "PASS: correct two-letter formulas and common exchange sum suffice on all three-letter permutations" }