20v6v,6w,8v3v,4w,a,2w,a,w,8v3v,w,3f,4a,4w,5v3v,w,3f,4a,3f,w,5v3v,4w,a,2w,a,2w,f,w,5v5v,2w,f,5w,f,w,5v5v,w,8f,w,5v5v,w,7f,3w,4v5v,w,4f,w,4f,w,4v5v,w,4f,w,4f,w,4v5v,w,9f,w,4v5v,3w,2f,6w,4v7v,4w,9v20v47,50,67,68,69,70,87,88,89,90,107,110147,168,171,189,191,192,207,212,227,228,229,230248
