Issue 11 
Season 2. September 19,2005
1. "Creasing" magic (7+5)
Fill the tables with numbers so that all rows and all columns contain different numbers from 1 to 9 (from 1 to 8). Numbers going along grey lines must be in increasing (decreasing) order.
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Example:
Answer key: write down the content of the diagonal going from top left to bottom right corner. For the example the answer would be: 413531.
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Answers:
1a. 318444863
1b. 44414157
2. Tetradivide (6)
Divide the table along gridlines into fi ve pieces, so that each piece is made of some (one or more) of the same tetraminoes (they can be rotated and/ or refl ected; different pieces made of different tetraminoes). Digits outside the table show the number of cells, occupied by different pieces in corresponding rows and columns. They are given in increasing order.
Example:
Answer key: fi rst write down the content of the diagonal going from bottom left to top right corner, and then the number of used tetraminoes in order: I, L, O, S, T. For the example the answer would be: ITTTSL; 12114.
Answer:
TTIIIOOL; 53314
