20v9v,w,10v8v,w,f,w,9v7v,w,f,a,f,w,8v6v,w,f,a,f,a,f,w,7v5v,w,f,a,f,a,f,a,f,w,6v4v,w,3f,a,f,a,3f,w,5v3v,w,3f,a,f,w,f,a,3f,w,4v2v,w,f,a,f,a,f,a,f,a,f,a,f,a,f,w,3v3v,w,f,a,f,a,f,a,f,a,f,a,f,w,4v4v,w,f,a,f,a,f,a,f,a,f,w,5v5v,w,f,a,f,a,f,a,f,w,6v6v,w,f,a,f,a,f,w,7v7v,w,f,a,f,w,8v5v,3w,3f,3w,6v5v,w,7f,w,6v5v,w,7f,w,6v5v,9w,6v20v20v69,88,90,107,109,111,128,130,147,151,164,166,168,170,172,174,185,187,189,191,193,206,208,210,212,227,229,231,248,250,26989,108,110,127,129,131,146,148,150,152,165,167,169,171,173,186,188,190,192,207,209,211,228,230,249,288,289,290,307,309,311329
