Closest hex to #1b321c is #232

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#232

1b321c

1b321c

contains 23

023 123 223 230 231 232 233 234 235 236 237 238 239 23a 23b 23c 23d 23e 23f 323 423 523 623 723 823 923 a23 b23 c23 d23 e23 f23

contains 32

032 132 232 320 321 322 323 324 325 326 327 328 329 32a 32b 32c 32d 32e 32f 332 432 532 632 732 832 932 a32 b32 c32 d32 e32 f32

contains 22

022 122 220 221 222 223 224 225 226 227 228 229 22a 22b 22c 22d 22e 22f 322 422 522 622 722 822 922 a22 b22 c22 d22 e22 f22