All 715 pick 4 combos should appear in the grid.
A combo will be connected together in some manner.

The pick 4 list is at the bottom for your reference.

 

                                    pick 4 grid

                       9680459205668
                       7513136859207
                       3011377659123
                       7042137510176
                       9022797644872
                       4026308943870
                       7598106542144
                       0246348523346
                       3529681755806
                       1905863997803
                       3947681559802
                       4950023120967

0123, 0124, 0125, 0126, 0127, 0128, 0129, 0134, 0135, 0136,
0137, 0138, 0139, 0145, 0146, 0147, 0148, 0149, 0156, 0157,
0158, 0159, 0167, 0168, 0169, 0178, 0179, 0189, 0234, 0235,
0236, 0237, 0238, 0239, 0245, 0246, 0247, 0248, 0249, 0256,
0257, 0258, 0259, 0267, 0268, 0269, 0278, 0279, 0289, 0345,
0346, 0347, 0348, 0349, 0356, 0357, 0358, 0359, 0367, 0368,
0369, 0378, 0379, 0389, 0456, 0457, 0458, 0459, 0467, 0468,
0469, 0478, 0479, 0489, 0567, 0568, 0569, 0578, 0579, 0589,
0678, 0679, 0689, 0789, 1234, 1235, 1236, 1237, 1238, 1239,
1245, 1246, 1247, 1248, 1249, 1256, 1257, 1258, 1259, 1267,
1268, 1269, 1278, 1279, 1289, 1345, 1346, 1347, 1348, 1349,
1356, 1357, 1358, 1359, 1367, 1368, 1369, 1378, 1379, 1389,
1456, 1457, 1458, 1459, 1467, 1468, 1469, 1478, 1479, 1489,
1567, 1568, 1569, 1578, 1579, 1589, 1678, 1679, 1689, 1789,
2345, 2346, 2347, 2348, 2349, 2356, 2357, 2358, 2359, 2367,
2368, 2369, 2378, 2379, 2389, 2456, 2457, 2458, 2459, 2467,
2468, 2469, 2478, 2479, 2489, 2567, 2568, 2569, 2578, 2579,
2589, 2678, 2679, 2689, 2789, 3456, 3457, 3458, 3459, 3467,
3468, 3469, 3478, 3479, 3489, 3567, 3568, 3569, 3578, 3579,
3589, 3678, 3679, 3689, 3789, 4567, 4568, 4569, 4578, 4579,
4589, 4678, 4679, 4689, 4789, 5678, 5679, 5689, 5789, 6789

0012, 0013, 0014, 0015, 0016, 0017, 0018, 0019, 0023, 0024,
0025, 0026, 0027, 0028, 0029, 0034, 0035, 0036, 0037, 0038,
0039, 0045, 0046, 0047, 0048, 0049, 0056, 0057, 0058, 0059,
0067, 0068, 0069, 0078, 0079, 0089, 1102, 1103, 1104, 1105,
1106, 1107, 1108, 1109, 1123, 1124, 1125, 1126, 1127, 1128,
1129, 1134, 1135, 1136, 1137, 1138, 1139, 1145, 1146, 1147,
1148, 1149, 1156, 1157, 1158, 1159, 1167, 1168, 1169, 1178,
1179, 1189, 2201, 2203, 2204, 2205, 2206, 2207, 2208, 2209,
2213, 2214, 2215, 2216, 2217, 2218, 2219, 2234, 2235, 2236,
2237, 2238, 2239, 2245, 2246, 2247, 2248, 2249, 2256, 2257,
2258, 2259, 2267, 2268, 2269, 2278, 2279, 2289, 3301, 3302,
3304, 3305, 3306, 3307, 3308, 3309, 3312, 3314, 3315, 3316,
3317, 3318, 3319, 3324, 3325, 3326, 3327, 3328, 3329, 3345,
3346, 3347, 3348, 3349, 3356, 3357, 3358, 3359, 3367, 3368,
3369, 3378, 3379, 3389, 4401, 4402, 4403, 4405, 4406, 4407,
4408, 4409, 4412, 4413, 4415, 4416, 4417, 4418, 4419, 4423,
4425, 4426, 4427, 4428, 4429, 4435, 4436, 4437, 4438, 4439,
4456, 4457, 4458, 4459, 4467, 4468, 4469, 4478, 4479, 4489,
5501, 5502, 5503, 5504, 5506, 5507, 5508, 5509, 5512, 5513,
5514, 5516, 5517, 5518, 5519, 5523, 5524, 5526, 5527, 5528,
5529, 5534, 5536, 5537, 5538, 5539, 5546, 5547, 5548, 5549,
5567, 5568, 5569, 5578, 5579, 5589, 6601, 6602, 6603, 6604,
6605, 6607, 6608, 6609, 6612, 6613, 6614, 6615, 6617, 6618,
6619, 6623, 6624, 6625, 6627, 6628, 6629, 6634, 6635, 6637,
6638, 6639, 6645, 6647, 6648, 6649, 6657, 6658, 6659, 6678,
6679, 6689, 7701, 7702, 7703, 7704, 7705, 7706, 7708, 7709,
7712, 7713, 7714, 7715, 7716, 7718, 7719, 7723, 7724, 7725,
7726, 7728, 7729, 7734, 7735, 7736, 7738, 7739, 7745, 7746,
7748, 7749, 7756, 7758, 7759, 7768, 7769, 7789, 8801, 8802,
8803, 8804, 8805, 8806, 8807, 8809, 8812, 8813, 8814, 8815,
8816, 8817, 8819, 8823, 8824, 8825, 8826, 8827, 8829, 8834,
8835, 8836, 8837, 8839, 8845, 8846, 8847, 8849, 8856, 8857,
8859, 8867, 8869, 8879, 9901, 9902, 9903, 9904, 9905, 9906,
9907, 9908, 9912, 9913, 9914, 9915, 9916, 9917, 9918, 9923,
9924, 9925, 9926, 9927, 9928, 9934, 9935, 9936, 9937, 9938,
9945, 9946, 9947, 9948, 9956, 9957, 9958, 9967, 9968, 9978

0001, 0002, 0003, 0004, 0005, 0006, 0007, 0008, 0009, 1110,
1112, 1113, 1114, 1115, 1116, 1117, 1118, 1119, 2220, 2221,
2223, 2224, 2225, 2226, 2227, 2228, 2229, 3330, 3331, 3332,
3334, 3335, 3336, 3337, 3338, 3339, 4440, 4441, 4442, 4443,
4445, 4446, 4447, 4448, 4449, 5550, 5551, 5552, 5553, 5554,
5556, 5557, 5558, 5559, 6660, 6661, 6662, 6663, 6664, 6665,
6667, 6668, 6669, 7770, 7771, 7772, 7773, 7774, 7775, 7776,
7778, 7779, 8880, 8881, 8882, 8883, 8884, 8885, 8886, 8887,
8889, 9990, 9991, 9992, 9993, 9994, 9995, 9996, 9997, 9998
0011, 0022, 0033, 0044, 0055, 0066, 0077, 0088, 0099, 1122,
1133, 1144, 1155, 1166, 1177, 1188, 1199, 2233, 2244, 2255,
2266, 2277, 2288, 2299, 3344, 3355, 3366, 3377, 3388, 3399,
4455, 4466, 4477, 4488, 4499, 5566, 5577, 5588, 5599, 6677,
6688, 6699, 7788, 7799, 8899

0000, 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999