TRUTHY: 11111 00001< 00011< 11F11 Turn 1: 11111 00010< 00110< Doesn't jump yet, because it waits for the second platform 11F11 Turn 2: 11111 00100< 01100< 11F11 11111 00100< 01F00< Now it jumps forward (to the second 1 of the bottom intermediate line) 11111 Turn 3: 11111 01000< 1F000< 11111 11111 0F000< 11000< 11111 Turn 4: 11111 F0000< 10001< 11111 F1111 Because the frog waited for the second one, it made it to the other side 10000< 10001< 11111