digraph sref {
    fontpath="/home/stevegt/fonts";
    node [shape=box fontname = "timrom" ];
    size="7,10";
    rankdir=LR;
    ratio="fill";
    // rotate=90;
    "3.35" -> {"3.34"  "3.3" }
"3.42" -> {"5.4"  "3.37"  "3.41" }
"3.22" -> {"3.15"  "3.21"  "3.3" }
"3.23" -> {"3.22"  "3.15"  "3.5" }
"3.60" -> {"3.57"  "3.55" }
"3.57" -> {"3.54"  "3.1"  "3.2"  "3.5" }
"3.39" -> {"3.37"  "3.1"  "3.5"  "3.7"  "3.37"  "3.1" }
"3.12" -> {}
"3.63" -> {"3.30" }
"3.25" -> {"3.24"  "3.19" }
"3.47" -> {"3.30" }
"3.45" -> {"3.15"  "3.44"  "3.22" }
"3.1" -> {}
"5.4" -> {"5.3" }
"3.18" -> {"3.16" }
"3.21" -> {"3.18"  "3.19"  "3.4" }
"3.50" -> {"3.8" }
"3.51" -> {"3.7"  "3.5"  "3.7" }
"3.34" -> {"3.33" }
"3.41" -> {"3.4"  "3.40" }
"3.6" -> {"3.4" }
"3.19" -> {"3.18" }
"3.46" -> {"3.42"  "3.41"  "3.36" }
"3.54" -> {"3.53"  "3.38"  "3.30"  "3.28" }
"3.8" -> {"3.7" }
"3.38" -> {"3.5" }
"3.3" -> {"5.2" }
"3.44" -> {"3.42"  "3.16"  "3.18"  "3.20"  "3.21" }
"3.33" -> {"3.31" }
"3.28" -> {"3.5"  "3.25" }
"3.13" -> {"3.12"  "3.7" }
"3.20" -> {"3.18"  "3.19" }
"3.2" -> {}
"3.27" -> {"3.3"  "3.17" }
"3.24" -> {"3.22" }
"3.48" -> {"3.42"  "3.30"  "3.40"  "3.5"  "3.38" }
"3.16" -> {"3.10"  "3.11"  "3.2" }
"3.32" -> {"3.30"  "3.26"  "3.5"  "3.31" }
"3.26" -> {"3.18"  "3.20"  "3.24" }
"2" -> {"5.1" }
"3.11" -> {"3.10" }
"3.17" -> {"3.16" }
"3.43" -> {"3.42"  "3.10"  "3.39"  "3.11" }
"3.56" -> {"3.31"  "3.32"  "3.46" }
"3.10" -> {"3.2" }
"3.36" -> {"3.34"  "3.5"  "3.35" }
"3.52" -> {"3.42"  "3.51"  "3.50" }
"3.65" -> {"3.40"  "3.43"  "3.59" }
"3.5" -> {"3.2" }
"5.1" -> {}
"3.29" -> {"3.4"  "3.27"  "3.5" }
"3.7" -> {"3.6" }
"1" -> {"7" }
"3.40" -> {"3.37" }
"3.58" -> {"3.57"  "3.42"  "3.40"  "3.43"  "3.30"  "3.54"  "3.16"  "3.21"  "3.22" }
"3.55" -> {"3.54"  "3.14"  "3.50"  "5.1" }
"3.62" -> {"3.61" }
"3.4" -> {}
"3.31" -> {"3.26"  "3.24" }
"3.59" -> {"3.58"  "3.41" }
"3.14" -> {"3.12"  "3.7"  "3.8" }
"3.61" -> {"3.4"  "3.6"  "3.7"  "3.8" }
"3.49" -> {"3.12"  "3.13"  "3.14" }
"3.53" -> {"3.52" }
"3.30" -> {"3.28"  "3.19"  "3.20"  "3.21"  "3.17"  "3.5"  "3.29" }
}