We need the earliest R position < the latest L position? No: we need **all** R positions < **all** L positions.

Sun, 03 May 2026 02:24:50 +0000

Why All R Positions Must Fall Before Every L Position: A Critical Insight for Programming and System Design In software development, data modeling, and system architecture, one principle stands out for its elegance and powerful influence: all R positions must precede every L position — in no case should any R character come after an L. This simple yet profound requirement shapes how we organize data, write code, and structure logic — ensuring clarity, correctness, and efficiency. --- ### What Do We Mean by R and L Positions?