In a magic square each row, column and diagonal have the same sum. Check which of the following is a magic square.
| 5 | − 1 | − 4 | 1 | − 10 | 0 | ||
| − 5 | − 2 | 7 | − 4 | − 3 | − 2 | ||
| 0 | 3 | − 3 | − 6 | 4 | − 7 | ||
| (i) | (ii) | ||||||