a b c d e f +----+----+----+----+----+----+ A | | | | | | |18 | | | | | | | +----+----+----+----+----+----+ B | | | | | | |17 | | | | | | | +----+----+----+----+----+----+ C | | | | | | |22 | | | | | | | +----+----+----+----+----+----+ D | | | | | | |22 | | | | | | | +----+----+----+----+----+----+ E | | | | | | |19 | | | | | | | +----+----+----+----+----+----+ F | | | | | | |28 | | | | | | | +----+----+----+----+----+----+ 18 23 19 18 22 26The diagram above should contain the numbers one to six, six times each; the numbers next to the grid itself are the row and column number totals. Using the following 12 clues complete the diagram. (NOP means no other pairs of numbers.)

**ACROSS**

**A**: Contains two 1's, NOP, no 4's and the two numbers in cells Ae and Af total 11.

**B**: Contains two 2's, no 6's and NOP.

**C**: Contains two 4's, two adjacent 3's and the two numbers in cells Cc and Cd total 5.

**D**: Contains two 1's and two 5's.

**E**: Contains two 3's, NOP and no 5's.

**F**: Contains two 5's, two 6's, no 1's or 3's, the numbers in cells Fd to Ff run consecutively, and the numbers in cells Fa and Fb total 7.

**DOWN**

**a**: Contains two 1's and no 4's.

**b**: Contains two 4's, NOP, and the two numbers in cells Ab and Bb total 7.

**c**: Does not contain a 1, 3 or 4. Contains four 2's, three of which are adjacent. The two numbers in cells Ec and Fc total 8.

**d**: Contains two adjacent 1's, two 3's and NOP.

**e**: Contains two 5's, NOP and no 4's.

**f**: Contains three 4's but no 1's or 2's.