Here are five diamonds, each divided into two colored regions:
Cover each diamond with the 12 hexiamonds so that every hexiamond covers cells of just one color. You may flip hexiamonds over.
Click on any diamond to see the solution.
A convenient set of acrylic hexiamonds is available from Kadon Enterprises as Iamond Hex™.
See also Yin-Yang Dominoes.
Last revised 2018-05-03.