Brain Riddles For Adults: Santoitchi Puzzles – 100 Large Print Brain Puzzles: 2 (Brain Games For Adults)

Santoitchi («Sandwich») is a logic puzzle invented by Naoki Inaba (Japan). A rectangular or square grid contains numbers in some cells. The task is to blacken some empty cells according to the rules:
– All white cells must be divided on regions having the size of exactly three cells.
– Two black cells must not be orthogonally adjacent.
– Each region contains a number.
– A number indicates how many black cells share an edge with that region.

brain teasers with answers – brain teaser puzzles – brain teaser games – brain teasers for adults – maths puzzles with answers – brain puzzles for adults – math puzzles for adults – brain teasers riddles – mind puzzle games – mind puzzles for adults – mind teasers – brain teaser puzzles for adults – fun for the brain – puzzle games for adults – brain busters – math brain teasers – funny brain teasers – brain teasers riddles with answers – logic brain teasers – brain teasers and answers – riddles and brain teasers

Editorial ‏ : ‎ Independently published (28 julio 2018)
Idioma ‏ : ‎ Inglés
Tapa blanda ‏ : ‎ 115 páginas
ISBN-10 ‏ : ‎ 1717960588
ISBN-13 ‏ : ‎ 978-1717960580
Peso del producto ‏ : ‎ 181 g
Dimensiones ‏ : ‎ 15.24 x 0.74 x 22.86 cm