3.1416
2.7183
1.618

Variable pi U: 4
Variable pi D: 3
Literal  pi U: 4
Literal  pi D: 3

Variable e D: 2
Variable e U: 3
Literal  e D: 2
Literal  e U: 3

Variable golden N: 2
Variable golden Z: 1
Literal  golden N: 2
Literal  golden Z: 1