20v20v9v,8w,3v4v,6w,3f,w,2f,w,3v4v,w,11f,w,3v3v,2w,f,5w,f,2w,2f,w,3v3v,w,f,a,f,a,w,4f,w,f,2w,3v3v,w,f,w,f,3a,f,w,f,w,f,w,4v3v,w,2f,2a,w,4f,w,f,w,4v3v,w,2f,3w,3f,2w,f,2w,3v3v,w,2f,a,4w,5f,w,3v3v,w,3f,w,2v,w,5f,w,3v3v,5w,2v,7w,3v20v20v125,127,147,148,149,166,167,20693,105,149,154,185,190,194,205174
