20v20v9v,w,10v8v,3w,9v7v,2w,a,2w,8v7v,w,3f,w,8v5v,3w,f,a,f,3w,6v4v,2w,3f,a,3f,2w,5v3v,2w,a,f,2a,f,2a,f,a,2w,4v4v,2w,3f,a,3f,2w,5v5v,3w,f,a,f,3w,6v7v,w,f,a,f,w,8v7v,w,f,a,f,w,8v7v,w,f,a,f,w,8v7v,w,3f,w,8v7v,2w,a,2w,8v8v,3w,9v9v,w,10v20v20v89,129,149,165,167,168,170,171,173,189,209,229,249,269,309109,129,149,166,167,168,170,171,172,189,209,229,249,269,289188
