Closest hex to #331979 is #317

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#317

331979

331979

contains 31

031 131 231 310 311 312 313 314 315 316 317 318 319 31a 31b 31c 31d 31e 31f 331 431 531 631 731 831 931 a31 b31 c31 d31 e31 f31

contains 17

017 117 170 171 172 173 174 175 176 177 178 179 17a 17b 17c 17d 17e 17f 217 317 417 517 617 717 817 917 a17 b17 c17 d17 e17 f17

contains 37

037 137 237 337 370 371 372 373 374 375 376 377 378 379 37a 37b 37c 37d 37e 37f 437 537 637 737 837 937 a37 b37 c37 d37 e37 f37