20v7v,9w,4v2v,6w,3f,w,3f,w,4v2v,w,3f,2w,f,w,f,w,f,w,f,w,4v2v,w,4f,w,5f,w,f,w,4v2v,w,4f,2w,f,w,4f,w,4v2v,w,4f,2w,f,4w,f,w,4v2v,4w,f,2w,f,w,2a,2f,w,4v4v,2w,2f,w,f,2w,a,2f,3w,2v4v,w,5f,w,f,a,4f,w,2v4v,w,f,3w,f,w,f,w,f,2w,f,w,2v4v,w,7f,w,f,2w,f,w,2v4v,9w,4f,w,2v12v,6w,2v20v151,152,172,19284,104,105,125151
