🟥🟦
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#two color
#dual color
#bicolor
#red blue
#contrasting colors
#two squares
👑➡️➡️🏰
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#chess
#castling
#rook
#chess move
#king safety
#special move
#two squares
2️⃣⬜
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#number
#shape
#square
#two
#two squares
#count
#two color #dual color #bicolor #red blue #contrasting colors #two squares