Before posting the simple loops, I would like to give an introduction to parity, which will be useful for tougher puzzles. If we consider the grid as a checkerboard, any loop segment will alternate between gray and white cells. Here are the simple loop puzzles as promised. Most won't require parity deductions. #227 https://puzz.link/p?simpleloop/9/8/0030h20g3486000 #13 https://puzz.link/p?simpleloop/8/8/240g00200gs00 #63 https://puzz.link/p?simpleloop/13/12/10h0002oc0002000g8c00000g5002100 #120 https://puzz.link/p?simpleloop/21/10/g0g03o80004kggf08000o20203iph0g4a0220109g3 #257 https://puzz.link/p?simpleloop/12/12/1g004g04000000002g000002000h0
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