Unique D4 Dice

This pair of D4 have an interesting mathematical property. Dice A has the number 2 on each side. Dice B has two sides with a 3 and two sides with a zero.

Rolling one of each, A will have a larger number 50% of the time.

Rolling two of each changes the odds. The A pair will always roll 4 while the B pair can roll 0, 3, or 6. 4 combinations roll a zero, 4 combinations roll a 6, and 8 combinations roll a 3. Dice pair A will have a higher number 75% of the time.