Original sentence: Coloured belts are elligible to sit for belt exams after a prescribed number of lessons.Each senior belt retained the original pattern, while the solid colored belts were demoted to a simplified one directional pattern.With more belt levels each CKD school essentially collects more fees from belt exams
Edited sentence: Colored belts are eligible to sit for belt exams after a prescribed number of lessons.Each senior belt retained the original pattern, while the solid colored belts were demoted to an extremely simplified one directional pattern.This is arguably the shortest period among all martial arts to achieve black belt degree.With more belt levels each CKD school and the CKD headquarters essentially collect more fees from belt exams