digraph G {

/* Graph Attributes */
graph [rankdir = LR];

/* Node Attributes */
node [shape = rectangle, fillcolor = white, style = filled, fontname = "Times-Italic"];

/* Edge Attributes */
edge [fontname = "Times-Italic", arrowsize = 0.75, fontsize = 16];

/* Nodes */
0 [label = "A"];
1 [label = "B"];
2 [label = "C"];
3 [label = ""];
4 [label = ""];

/* Edges */
3 -> 1 [label = "0.45"];
3 -> 0 [label = "0"];
4 -> 3 [label = "0.225"];
4 -> 2 [label = "0.225"];

}