Решение Python.
Из:
[3074,
88,
3074,
1935,
3478,
3479,
3480,
3074,
3478,
3479,
27015,
27016,
27017,
27018,
27019,
27020,
27021,
27022,
27023,
27024,
27025,
27026,
27027,
27028,
27029,
27030,
27036,
27037,
4380,
27000,
27001,
27002,
27003,
27004,
27005,
27006,
27007,
27008,
27009,
27010,
27011,
27012,
27013,
27014,
27015,
27016,
27017,
27018,
27019,
27020,
27021,
27022,
27023,
27024,
27025,
27026,
27027,
27028,
27029,
27030,
27031,
27036]