Sandbox scoreLEGENDARY
22,820EP
Top 1.4831% · sandbox population rank
14,830 higher · 1 tied · 985,169 lower
The patterns
Matched badges / 4
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 EPSquare Rooted
The number is an exact perfect integer square
+5,200 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
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Keep exploring
Full archiveMathematical landmarks, familiar patterns, and surprising combinations.