Well done Vivienne, Ecole Francaise de Berne, Switzerland; Andrei, School: No. 205, Bucharest, Romania; Natasha, from Lagos, Nigeria; Ali, Riccarton High School, Christchurch, New Zealand and Sim, Raffles Girls' Primary School, Singapore. This is Sim's solution.

Using a step-by-step analysis, we split up each number into digits, e.g. 2 (take the symbol for 2) $\rightarrow$25 (take the symbol for 5) $\rightarrow$ 58 (take the symbol for 8) $\rightarrow$ 83 ... $\rightarrow$ etc. In the end, we arrive at the following table. The symbols are shown below the actual representation, each row being a different script:

Ali identified the scripts in the table row by row as Western, Chinese, Hindi, Arabic and Bengali.