【ランダム横スピン】市松模様（ブロックチェック/チェッカー）【白×黒】
Palabras clave
check,
pattern,
pattern,
pattern,
check,
checker,
tile,
sum,
black,
monochrome,
black-and-white,
monotone,
white background,
animation,
animation,
background,
graphic,
image,
spin,
flip,
grating,
square,
casual,
modern,
design,
illustration,
illustration,
chess,
board,
chessboard,
square,
repetition
