two-determined head and tail: 024579, X, X, 124679
0XX1,0XX2,0XX4,0XX6,0XX7,0XX9,2XX1,2XX2,2XX4,2XX6,2XX7,2XX9,4XX1,4XX2,4XX4,4XX6,4XX7,4XX9,5XX1,5XX2,5XX4,5XX6,5XX7,5XX9,7XX1,7XX2,7XX4,7XX6,7XX7,7XX9,9XX1,9XX2,9XX4,9XX6,9XX7,9XX7,9XX1,9XX2,9XX4,9XX6,9XX7, 9XX9
3d ABXD:024579, 024579, X, 124679
00X1,00X2,00X4,00X6,00X7,00X9,02X1,02X2,02X4,02X6,02X7,02X9,04X1,04X2,04X4,04X6,04X7,04X9,05X1,05X2,05X4,05X6,05X7,05X9,07X1,07X2,07X4,07X6,0 7X7,07X9,09X1,09X2,09X4,09X6,09X7,09X9,20X1,20X2,20X4,20X6,20X7,20X9,22X1,22X2,22X4,22X6,22X7,22X9,24X1,24X2,24X4,24X6,24X7,24X9,25X1,25X2,25X4,25X6,25X7,25X 9,27X1,27X2,27X4,27X6,27X7,27X9,29X1,29X2,29X4,29X6,29X7,29X9,40X1,40X2,40X4,40X6,40X7,40X9,42X1,42X2,42X4,42X6,42X7,42X9,44X1,44X2,44X4,44X6,44X7,44X9,45X1, 45X2,45X4,45X6,45X7,45X9,47X1,47X2,47X4,47X6,47X7,47X9,49X1,49X2,49X4,49X6,49X7,49X9,50X1,50X2,50X4,50X6,50X7,50X9,52X1,52X2,52X4,52X6,52X7,52X9,54X1,54X2,54 X4,54X6,54X7,54X9,55X1,55X2,55X4,55X6,55X7,55X9,57X1,57X2,57X4,57X6,57X7,57X9,59X1,59X2,59X4,59X6,59X7,59X9,70X1,70X2,70X4,70X6,70X7,70X9,72X1,72X2,72X4,72X6 ,72X7,72X9,74X1,74X2,74X4,74X6,74X7,74X9,75X1,75X2,75X4,75X6,75X7,75X9,77X1,77X2,77X4,77X6,77X7,77X9,79X1,79X2,79X4,79X6,79X7,79X9,90X1,90X2,90X4,90X6,90X7,9 0X9,92X1,92X2,92X4,92X6,92X7,92X9,94X1,94X2,94X4,94X6,94X7,94X9,95X1,95X2,95X4,95X6,95X7,95X9,97X1,97X2,97X4,97X6,97X7,97X9,99X1,99X2,99X4,99X6,99X7,99X9
4:024579, 024579, 024579, 124679
action: 0549—4905—0549—1627
end: 0549—4905—✘—1627
0549—✘—0549—1627
iron number 164927
head and tail number 490527 two digits
490527 head-4 90527 tail
two numbers combined with 16, two numbers combined with 49
0001,0002,0004,0006,0007,0009,0021,0022,0024,0026,0027,0029,0041,0042,0044,0046,0047,0049,0051,0052,0054,0056,0057,0059,0071 ,0072,0074,0076,0077,0079,0091,0092,0094,0096,0097,0099,0201,0202,0204,0206,0207,0209,0221,0222,0224,0226,0227,0229,0241,0242,0244,0246,0247,0249,0251,0252,0254, 0256,0257,0259,0271,0272,0274,0276,0277,0279,0291,0292,0294,0296,0297,0299,0401,0402,0404,0406,0407,0409,0421,0422,0424,0426,0427,0429,0441,0442,0444,0446,0447,0 449,0451,0452,0454,0456,0457,0459,0471,0472,0474,0476,0477,0479,0491,0492,0494,0496,0497,0499,0501,0502,0504,0506,0507,0509,0521,0522,0524,0526,0527,0529,0541,05 42,0544,0546,0547,0549,0551,0552,0554,0556,0557,0559,0571,0572,0574,0576,0577,0579,0591,0592,0594,0596,0597,0599,0701,0702,0704,0706,0707,0709,0721,0722,0724,072 6,0727,0729,0741,0742,0744,0746,0747,0749,0751,0752,0754,0756,0757,0759,0771,0772,0774,0776,0777,0779,0791,0792,0794,0796,0797,0799,0901,0902,0904,0906,0907,0909 ,0921,0922,0924,0926,0927,0929,0941,0942,0944,0946,0947,0949,0951,0952,0954,0956,0957,0959,0971,0972,0974,0976,0977,0979,0991,0992,0994,0996,0997,0999,2001,2002, 2004, 2006, 2007, 2009, 2021, 2022, 2024, 2026, 2027, 2029, 2041, 2042, 2044, 2046, 2047, 2049, 2051, 2052, 2054, 2056, 2057, 2059, 2071, 2072, 2074, 2076, 2077, 2079, 2091, 2092, 2094, 2096, 2 097,2099,2201,2202,2204,2206,2207,2209,2221,2222,2224,2226,2227,2229,2241,2242,2244,2246,2247,2249,2251,2252,2254,2256,2257,2259,2271,2272,2274,2276,2277,2279,222 91,2292,2294,2296,2297,2299,2401,2402,2404,2406,2407,2409,2421,2422,2424,2426,2427,2429,2441,2442,2444,2446,2447,2449,2451,2452,2454,2456,2457,2459,2471,2472,247 4,2476,2477,2479,2491,2492,2494,2496,2497,2499,2501,2502,2504,2506,2507,2509,2521,2522,2524,2526,2527,2529,2541,2542,2544,2546,2547,2549,2551,2552,2554,2556,2557 ,2559,2571,2572,2574,2576,2577,2579,2591,2592,2594,2596,2597,2599,2701,2702,2704,2706,2707,2709,2721,2722,2724,2726,2727,2729,2741,2742,2744,2746,2747,2749,2751, 2752,2754,2756,2757,2759,2771,2772,2774,2776,2777,2779,2791,2792,2794,2796,2797,2799,2901,2902,2904,2906,2907,2909,2921,2922,2924,2926,2927,2929,2941,2942,2944,2 946,2947,2949,2951,2952,2954,2956,2957,2959,2971,2972,2974,2976,2977,2979,2991,2992,2994,2996,2997,2999,4001,4002,4004,4006,4007,4009,4021,4022,4024,4026,4027,4027,400 29,4041,4042,4044,4046,4047,4049,4051,4052,4054,4056,4057,4059,4071,4072,4074,4076,4077,4079,4091,4092,4094,4096,4097,4099,4201,4202,4204,4206,4207,4209,4221,422 2,4224,4226,4227,4229,4241,4242,4244,4246,4247,4249,4251,4252,4254,4256,4257,4259,4271,4272,4274,4276,4277,4279,4291,4292,4294,4296,4297,4299,4401,4402,4404,4406 ,4407,4409,4421,4422,4424,4426,4427,4429,4441,4442,4444,4446,4447,4449,4451,4452,4454,4456,4457,4459,4471,4472,4474,4476,4477,4479,4491,4492,4494,4496,4497,4499, 4501,4502,4504,4506,4507,4509,4521,4522,4524,4526,4527,4529,4541,4542,4544,4546,4547,4549,4551,4552,4554,4556,4557,4559,4571,4572,4574,4576,4577,4579,4591,4592,4 594,4596,4597,4599,4701,4702,4704,4706,4707,4709,4721,4722,4724,4726,4727,4729,4741,4742,4744,4746,4747,4749,4751,4752,4754,4756,4757,4759,4771,4772,4774,4776,477 77,4779,4791,4792,4794,4796,4797,4799,4901,4902,4904,4906,4907,4909,4921,4922,4924,4926,4927,4929,4941,4942,4944,4946,4947,4949,4951,4952,4954,4956,4957,4959,497 1,4972,4974,4976,4977,4979,4991,4992,4994,4996,4997,4999,5001,5002,5004,5006,5007,5009,5021,5022,5024,5026,5027,5029,5041,5042,5044,5046,5047,5049,5051,5052,5054 ,5056,5057,5059,5071,5072,5074,5076,5077,5079,5091,5092,5094,5096,5097,5099,5201,5202,5204,5206,5207,5209,5221,5222,5224,5226,5227,5229,5241,5242,5244,5246,5247, 5249,5251,5252,5254,5256,5257,5259,5271,5272,5274,5276,5277,5279,5291,5292,5294,5296,5297,5299,5401,5402,5404,5406,5407,5409,5421,5422,5424,5426,5427,5429,5441,5 442,5444,5446,5447,5449,5451,5452,5454,5456,5457,5459,5471,5472,5474,5476,5477,5479,5491,5492,5494,5496,5497,5499,5501,5502,5504,5506,5507,5509,5521,5522,5524,555 26,5527,5529,5541,5542,5544,5546,5547,5549,5551,5552,5554,5556,5557,5559,5571,5572,5574,5576,5577,5579,5591,5592,5594,5596,5597,5599,5701,5702,5704,5706,5707,5700 9,5721,5722,5724,5726,5727,5729,5741,5742,5744,5746,5747,5749,5751,5752,5754,5756,5757,5759,5771,5772,5774,5776,5777,5779,5791,5792,5794,5796,5797,5799,5901,5902 ,5904,5906,5907,5909,5921,5922,5924,5926,5927,5929,5941,5942,5944,5946,5947,5949,5951,5952,5954,5956,5957,5959,5971,5972,5974,5976,5977,5979,5991,5992,5994,5996, 5997,5999,7001,7002,7004,7006,7007,7009,7021,7022,7024,7026,7027,7029,7041,7042,7044,7046,7047,7049,7051,7052,7054,7056,7057,7059,7071,7072,7074,7076,7077,7079,7 091,7092,7094,7096,7097,7099,7201,7202,7204,7206,7207,7209,7221,7222,7224,7226,7227,7229,7241,7242,7244,7246,7247,7249,7251,7252,7254,7256,7257,7259,7271,7272,722 74,7276,7277,7279,7291,7292,7294,7296,7297,7299,7401,7402,7404,7406,7407,7409,7421,7422,7424,7426,7427,7429,7441,7442,7444,7446,7447,7449,7451,7452,7454,7456,7455 7,7459,7471,7472,7474,7476,7477,7479,7491,7492,7494,7496,7497,7499,7501,7502,7504,7506,7507,7509,7521,7522,7524,7526,7527,7529,7541,7542,7544,7546,7547,7549
