Closest hex to #772222 is #722

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#
#722

772222

772222

contains 72

072 172 272 372 472 572 672 720 721 722 723 724 725 726 727 728 729 72a 72b 72c 72d 72e 72f 772 872 972 a72 b72 c72 d72 e72 f72

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

contains 72

072 172 272 372 472 572 672 720 721 722 723 724 725 726 727 728 729 72a 72b 72c 72d 72e 72f 772 872 972 a72 b72 c72 d72 e72 f72