Two friends yash and meeta started walking from two different points. yash started from point A and walked 14m in the south direction. Thenafter he turn left and walked 20m. After that he turn right walked 21m to reach at point C. Meeta started from point B and walked 22m in east direction. Then after she turned rigth and walked 20m. After that she turned left and walked 21m to reach at point C. Find out the shortest distance between poin A and point B on the way of point C.