Well done to Billie-Jo (Tattingstone School, UK), Rowena ,
Charlote and Ross (Stockton) and Timothy , Vincent and Kenneth
(Catholic High School, Singapore) for correct solutions. Four
particularly well presented graphic solutions came from Chris ,
Michael (and name missing) from Crofton Junior School, and Daniel
(Anglo-Chinese School, Singapore). This one comes from Rayner
(Tao Nan School, Singapore)
Five rows this way Five rows this way and two more this way
5 + 5 + 2 = 12 rows
Of course there are others to consider.
