Sudoku Corral - 200 Hard to Master Puzzles 10x10

Download or read book Sudoku Corral - 200 Hard to Master Puzzles 10x10 written by Dart Veider and published by Createspace Independent Publishing Platform. This book was released on 2018-11-13 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: Corral (also known as "Bag", "Cave") is a logic puzzle. The aim is to draw a single closed loop along the grid lines that does not intersect itself. The loop goes around all numbers. The numbers in the grid indicate how many cells inside the loop can be seen horizontally and vertically from that cell, including the cell itself. Question marks can be used instead of clue numbers. Each question mark can represent any nonzero integer.