Sandbox scoreMYTHIC
54,186EP
Top 0.2165% ยท sandbox population rank
2,164 higher ยท 1 tied ยท 997,835 lower
The patterns
Matched badges / 3
Bookends
First 2 digits mirror the last 2 digits, excluding full palindromes (e.g. 421324)
+1,800 EPPenta-Cluster
Exactly 5 identical digits (e.g. 888882)
+45,000 EPBicolor
Only 2 unique digit types across all 6 positions
+4,500 EPScores use independent sandbox rules at ร1. Top / Bottom percentages include tied scores across all 1,000,000 inputs; they are not official or lock-conditioned odds.
The possibilities
Best single-digit edits
All 54 changes checked. Follow a number to compare.
Keep exploring
Full archiveMathematical landmarks, familiar patterns, and surprising combinations.