C:\test>junk
1 : Math::BigInt=HASH(0x3f5d160) => 1
2 : Math::BigInt=HASH(0x3f5d190) => 2
3 : Math::BigInt=HASH(0x3f5d148) => 6
4 : Math::BigInt=HASH(0x3f5d178) => 24
5 : Math::BigInt=HASH(0x3f5d118) => 120
6 : Math::BigInt=HASH(0x3f5d130) => 720
7 : Math::BigInt=HASH(0x3f5d160) => 5040
8 : Math::BigInt=HASH(0x3f5d190) => 40320
9 : Math::BigInt=HASH(0x3f5d148) => 362880
10 : Math::BigInt=HASH(0x3f5d178) => 3628800