Sandbox scoreEPIC
17,849EP
Top 4.5307% · sandbox population rank
45,263 higher · 44 tied · 954,693 lower
The patterns
Matched badges / 3
Bookends
First 2 digits mirror the last 2 digits, excluding full palindromes (e.g. 421324)
+1,800 EPQuad Squad
The largest repeated digit group has exactly 4 digits (e.g. 333391)
+9,000 EPFibonacci Flow
Every digit belongs to Fibonacci {0, 1, 2, 3, 5, 8}
+4,000 EPScores use independent sandbox rules at ×1. 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.