Eight Circles

Four Circles

Two Circles

Two Circles

Four Circles

Two Circles

Six Circles

Four Circles

Red Five Circles

Work (Two Circles)

Four Circles in Fight

Two Circles: Gray and Black

Four Circles: White, Black, Gray

Eight Walnuts

One Red Circle [verso: Red and Black Circles]

Two Circles

Four Circles

Six Circles

Four Circles

Two Circles

Two Circles

White Circles

Green and Blue Circles

Red and Blue Circles

Black and White Circles