Hey there! Your answer is right here!
3435367
7654333
3334567
4333675
4533367
7653334
4333567
3334765
5674333
3476533
3763345
4567333
3337456
3337465
3734356
5674333
5763433
5673334
4573336
3453376
These are 20 combinations with numbers 3,4,5,6,3,7 and 3.