chapter06 cluster_Nodes Start2 Start $ctrl Stop3 Stop Return12 Return Stop3->Return12 0 Return16 Return Stop3->Return16 1 Con_6 #1 If7 If True False If7->Start2:p0 0 If7->Con_6 1 Con_11 #2 Return12->If7:p0 0 Return12->Con_11 1 Con_13 #~CONTROL Region14 Region Region14->If7:p1 2 Region14->Con_13 1 Con_15 #1 Return16->Region14 0 Return16->Con_15 1