// time = 0.201 seconds data[56]:=[* <56, 1, 1, [ -1, 1 ], 0, [ <2, x>, <3, x>, <5, x - 2>, <7, x + 1>, <11, x + 4>, <13, x - 2>, <17, x + 6>, <19, x - 8> ]>, <56, 2, 1, [ 1, -1 ], 0, [ <2, x>, <3, x - 2>, <5, x + 4>, <7, x - 1>, <11, x>, <13, x>, <17, x + 2>, <19, x + 2> ]> *];