Captain Blackheart had buried his treasure and committed the biggest sin a pirate can commit – he had lost his treasure map. But all was not lost. His trusty crew all remembered different bits of the map.

"I remember drawing it with 5 squares each way", said the Captain. ("He can’t count over 6", the cabin boy John said.)

"There was a row of three trees running due East from the square (1,1)", Peg Leg Pete said. "You put one of them on a different square."

"Weren’t there four granite boulders going due South from (5,5)?"John asked. "I think you put one of them each in a square too."

"Ah!. Now I remember!" yelled the Captain. "I buried the treasure half way between the first rock and the first tree!"