Note: The following pictures are used as a visual guide and are not full puzzles.
Figure A: We know that there are no acute angles in the loop, only obtuse angles are used.
Figure B: I always find it helpful to shade in the areas that I know will not be a part of the loop.
Figure C: Any time there is a "1" on a side of a puzzle you know that the hexagons beside it on the side are not a part of the loop.
Figure D. Anytime there is a "3" in a corner of the puzzle it looks like this.
Figure E. If there is a "4", "5", or "6" in the hexagon directly adjacent to the corner, you know that the loop must go through the three hexagons around the corner.
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