chapter09 cluster_Nodes Start2 Start $ctrl arg Stop3 Stop Return18 Return Stop3->Return18 0 Return24 Return Stop3->Return24 1 Con_7 #2 Mul8 * Mul8->Start2:p1 1 Mul8->Con_7 2 LT9 < LT9->Start2:p1 1 Con_10 #10 LT9->Con_10 2 If11 If True False If11->Start2:p0 0 If11->LT9 1 Return18->Mul8 1 Return18->If11:p0 0 Add20 + Add20->Mul8 1 Con_21 #1 Add20->Con_21 2 Return24->If11:p1 0 Return24->Add20 1