Help the mouse to reach its favourite cheese by drawing lines from 1 to 20. 1 4 5 6 7 START 2 15 14 13 8 3 6 9 10 10 4 7 10 11 12 5 8 9 13 6 7 8 11 14 11 14 13 12 15 10 15 15 14 16 FINISH 20 16 16 17 20 19 18 17 18 19 Mathematics-1 58