A number’s ‘neighbor’ (above, below, left or right, except if separated by a maze wall)
must be one of the two numbers nearest on a clock face.

Numbers must run in sequence. A number’s ‘neighbor’ (any square above or below, to left or to right, not separated by a maze wall) must be one of the two numbers nearest on a clock face.
For instance, 6 can be next to 7 or 5. The number 12 next to 11 or 1, and 1 can only have 12 or 2 next to it. You must use ‘sets ' of 1 - 12 but you do not have to use ‘runs' of 1 - 12. Maze size determines sets required. 6X6=(36) 3 sets required. 6X8=(48) 4 sets required.

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