Ordinary three lines + ordinary three lines = ordinary three lines

Ordinary three lines + Purple hamster = Ordinary three lines

Ordinary three lines + Silver Fox = Silver Fox + Ordinary three lines

Ordinary three lines + Gold Fox = Ordinary three lines + Gold Fox (the chance is very small.)

Common Tier 3 + Pudding = Pudding (very small chance.)

Common three line + milk tea = common three line

② purple warehouse:

purple warehouse + common three line = common three line

purple warehouse + purple warehouse = purple warehouse + common three line

purple warehouse + silver fox = purple warehouse silver fox

purple warehouse + golden fox = golden fox + common three line

purple warehouse + pudding = pudding + common Third Line

Purple Barn + Milk Tea = Purple Barn + Normal Third Line

③Silver Fox:

Silver Fox + Normal Third Line = Silver Fox + Normal Third Line

Silver Fox + Purple Barn = Silver Fox + Normal Third Line

Silver Fox + Silver Fox = Silver Fox + Normal Third Line

Silver Fox + Gold Fox = Gold Fox + Silver Fox + Pudding + Normal Third Line

Silver Fox + Pudding = Gold Fox + Silver Fox + Pudding + Normal Tier 3

Silver Fox + Milk Tea = Silver Fox + Normal Tier 3

④Golden Fox:

Golden Fox + Normal Tier 3 = Normal Tier 3 + Golden Fox (Chance is very small.)

Golden Fox + Purple Barn = Golden Fox + Silver Fox + Normal Tier 3

Golden Fox + Silver Fox = Golden Fox + Silver Fox + Pudding + Normal Tier 3

Golden Fox + Golden Fox = Golden Fox + Silver Fox + Pudding + Normal Tier 3

Golden Fox + Milk Tea = Golden Fox + Silver Fox + Normal Tier 3

⑤Pudding:

Pudding + Normal 3 = Pudding (very small chance.) + Normal Tier 3

Pudding + Purple Barn = Pudding + Normal Tier 3

Pudding + Silver Fox = Golden Fox + Silver Fox + Pudding + Normal Tier 3

Pudding + Golden Fox = Golden Fox + Silver Fox + Pudding + Normal Tier 3

Pudding + Pudding = Golden Fox + Silver Fox + Pudding + Normal Tier 3

Pudding + Milk Tea = Pudding + Silver Fox + Normal Tier 3

6 Milk Tea:

Milk Tea + Regular Tier 3 = Regular Tier 3

Milk Tea + Purple Barn = Purple Barn + Regular Tier 3

Milk Tea + Silver Fox = Silver Fox + Regular Tier 3

Milk Tea + Golden Fox = Golden Fox + Silver Fox + Regular Tier 3

Milk Tea + Pudding = Pudding + Silver Fox + Regular Tier 3

Milk Tea + Milk Tea = Milk Tea + Purple Barn

The Purple Barn is the ss of the stealth gene. So the Purple Barn can only be born if both parents have the Purple Barn gene, and Milk Tea has the Purple Barn gene.