Rules of Rotation Original (x, y) (3, 2) 90°CW 270°CCW (x, y)→(-y, x) (3, 2)→(-2, 3) 180°CW 180°CCW 270°CW 90°CCW (x, y)→(-x, -y) (3, 2)→(-3, -2) (x, y)→(-y, x) (3, 2)→(2, -3) For every 90° turn, first switch the x and y coordinates, and then negate the value in the x spot. Rules of Rotation Original (x, y) (3, 2) 90°CW 270°CCW 180°CW 180°CCW (x, y)→ (3, 2)→ (x, y)→ (3, 2)→ 270°CW 90°CCW (x, y)→ (3, 2)→