How did Calder relate his pentomino pieces to miss husseys first assignment in the book chasing Vermeer?

In the book "Chasing Vermeer," Calder relates his pentomino pieces to Miss Hussey's first assignment by using them as a tool to solve the mystery of the stolen Vermeer painting. He sees patterns and connections between the pentomino shapes and the clues in the art he is investigating. By applying his spatial reasoning skills with the pentomino pieces, Calder is able to uncover hidden messages and solve the puzzle at hand.