For week 3, Kiri's route, the order is (where "/" means "or" and "+" means "and"):
0, 1, 3a, 4a/b, 5, 6a, 6c, 7, 8a, 10a, (11a)/(11b, 13a/b, 14), 15, 16a/b, 17, 18a/b, 19, 22, 20, 21, 3001, 23a, 24, 25, 26, 3002, 27, 28, 29a/b, 30, 31a/c, 32, 33a/b, 34, 3003, 35a, 36a, 37, 38a, 39, 40, 41, 3004, 3005, 3006, 42, 3007, 43, 44, 3008, 3009, 3010, 45a, 3011, 3012a/b, 3013, 3014, 3015, 3016, 3017, 3018, 3019a/b, 3020, 3021, 3022, 3023, 101/(3024, 3025, 3026, 3027, 3028, 3029, 3030).
For a repeat of week 3, Kiri's route, the order is (with changed parts in bold):
0, 2, 3b, 6b, 6c, 7, 8b, 10a, (11a)/(11b, 13a/b, 14), 15, 16a/b, 17, 18a/b, 19, 22, 20, 21, 3001, 23b, 24, 25, 26, 3002, 27, 28, 29a/b, 30, (31b)/(31c+32+33a/b+34), 3003, 35a, 36a, 37, 38b, 39, 40, 41, 3004, 3005, 3006, 42, 3007, 43, 44, 3008, 3009, 3010, 45a, 3011, 3012a/b, 3013, 3014, 3015, 3016, 3017, 3018, 3019a/b, 3020, 3021, 3022, 3023, 101/(3024, 3025, 3026, 3027, 3028, 3029, 3030).
For week 4, Miki's route, the order is:
0, 2, 3b, 6b, 6d, 9, 11c, 22, 4001, 23b, 4002, 26, 4003, 28, 29a/c, 30, 31b/c, 4004, 4005, 35b, 36b, 37, 38b, 4006, 4007, 4008, 4009, 4010, 4011, 42, 4012, 43, 44, 4014, 4015, 45b, 4016, 4017, 4018, 4019, 4020, 4021, 4022, 4023, 4024, 4025
Naturally, it's just a bit more complex than this, but if you want to know all the little details you can go read ccc.dsf yourself.