Quo Vadis?
In the 4脳4 grid shown, you must place all the unused arrow cards on the unshaded squares of the grid, such that by moving from card to card the number of squares in the direction shown on each, you complete a circuit visiting all 12 unshaded squares.
What are the numbers on the cards, from left to right, in the bottom row?
WIN 拢15 will be awarded to the sender of the first correct answer opened on Wednesday 5 June. The Editor鈥檚 decision is final. Please send entries to Enigma 1748, New 女生小视频, Lacon House, 84 Theobald鈥檚 Road, London WC1X 8NS, or to enigma@newscientist.com (please include your postal address).
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Answer to 1742 Chip-chop: The seven-figure number is 4625317
The winner Helen Gough of Southam, Gloucestershire, UK
