$\text{I}-\left\{1,2,3,4,5,6\right\}$  

$\text{II}-\left\{\text{czarna, biała}\right\}$  

$\text{III}-\left\{1,2,3,4,5,6,7,8,9\right\}$  

  $\text{IV}-\left\{\text{czarna, biała}\right\}$