Perplexing Puzzles, Confounding Conundrums,

and Esoteric Enigmas

D | ||||||

D | C | D | ||||

D | C | B | C | D | ||

D | C | B | A | B | C | D |

D | C | B | C | D | ||

D | C | D | ||||

D |

Start with A in the centre and without back-tracking move up, down, left, or right, collecting letters as you move. How many different ways can you obtain the letters in the order, ABCD?