Closest hex to #542187 is #528

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#
#528

542187

542187

contains 52

052 152 252 352 452 520 521 522 523 524 525 526 527 528 529 52a 52b 52c 52d 52e 52f 552 652 752 852 952 a52 b52 c52 d52 e52 f52

contains 28

028 128 228 280 281 282 283 284 285 286 287 288 289 28a 28b 28c 28d 28e 28f 328 428 528 628 728 828 928 a28 b28 c28 d28 e28 f28

contains 58

058 158 258 358 458 558 580 581 582 583 584 585 586 587 588 589 58a 58b 58c 58d 58e 58f 658 758 858 958 a58 b58 c58 d58 e58 f58