Add 'Inshi No Heya' (multiplication only) variant to Keen.

[sgt-puzzles.git] / puzzles.but

diff --git a/puzzles.but b/puzzles.but
index b220ca29456e14ef1f34b2ac4001fb32df4da85a..8944387f018b8238383f86d4306e08e3b1f842d1 100644 (file)
--- a/puzzles.but
+++ b/puzzles.but
@@ -2579,6 +2579,10 @@ level, some backtracking will be required, but the solution should
 still be unique. The remaining levels require increasingly complex
 reasoning to avoid having to backtrack.
 
+\dt \e{Multiplication only}
+
+\dd If this is enabled, all boxes will be multiplication boxes.
+With this rule, the puzzle is known as \q{Inshi No Heya}.
 
 \C{towers} \i{Towers}