Braille script

Braille is a writing system used by visually impaired and it is named after Louis Braille, the French man who invented it. The Braille system uses a set of raised bumps or dots that can be felt with a finger.
louis-braille-alphabets

Braille writing system consists of raised dots arranged in “cells.” A cell is made up of six dots that fit under the fingertips, arranged in two columns of three dots each. Each cell represents a letter, a word, a combination of letters, a numeral or a punctuation mark.

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