Every planar graph with no triangles normally adjacent to 8−-cycles, no 4-cycles normally adjacent to 6−-cycles, and no normally adjacent 5-cycles is 3-choosable.
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Planar graphs without normally adjacent short cycles
Every planar graph with no triangles normally adjacent to 8−-cycles, no 4-cycles normally adjacent to 6−-cycles, and no normally adjacent 5-cycles is 3-choosable.