diff --git a/gen/opcode.go b/gen/opcode.go
index d9071e8..bf7c02e 100644
--- a/gen/opcode.go
+++ b/gen/opcode.go
@@ -10,14 +10,14 @@ var opCodes = []vm.OpCodeType{
 	vm.OpMov,
 
 	vm.OpAdd,
-//	vm.OpSub,
+	vm.OpSub,
 	vm.OpMul,
-//	vm.OpDivU,
-//	vm.OpDivS,
+	vm.OpDivU,
+	vm.OpDivS,
 
-//	vm.OpNot,
-//	vm.OpAnd,
-//	vm.OpOr,
+	vm.OpNot,
+	vm.OpAnd,
+	vm.OpOr,
 	vm.OpXor,
 
 //	vm.OpShR,
diff --git a/grow/definition.go b/grow/definition.go
index fefca6f..f23a717 100644
--- a/grow/definition.go
+++ b/grow/definition.go
@@ -98,7 +98,7 @@ func (def *Definition) Grow(statusChan chan<- Status) (*vm.Program, error) {
 			statusChan <- status
 		}
 
-		if status.BestScores[0].Current == status.BestScores[0].Total {
+		if def.scoreIsPerfect(status.BestScores) {
 			return prog, nil
 		}
 	}
@@ -225,6 +225,16 @@ func (def *Definition) scoreIsBetter(old, new []*Score) bool {
 	return false
 }
 
+func (def *Definition) scoreIsPerfect(scores []*Score) bool {
+	for _, score := range scores {
+		if score.Current < score.Total {
+			return false
+		}
+	}
+
+	return true
+}
+
 func (def *Definition) minifyProgram(prog *vm.Program) error {
 	for f := 0; f < len(prog.Functions); f++ {
 		err := def.minifyFunction(prog, f)
diff --git a/grow/defs/pythag.yaml b/grow/defs/pythag.yaml
index 5b211fa..3fe3e3d 100644
--- a/grow/defs/pythag.yaml
+++ b/grow/defs/pythag.yaml
@@ -8,20 +8,97 @@ instructions_per_function_std_dev: 3
 return_to_best_period_mean: 10000
 
 samples:
-- in:  [3,4]
+- in:  [3, 4]
   out: [5]
-
-- in:  [7,24]
+- in:  [5, 12]
+  out: [13]
+- in:  [8, 15]
+  out: [17]
+- in:  [7, 24]
   out: [25]
-
-- in:  [88, 105]
-  out: [137]
-
-- in:  [140, 171]
-  out: [221]
-
-- in:  [105, 208]
-  out: [233]
-
-- in:  [161, 240]
-  out: [289]
+- in:  [20, 21]
+  out: [29]
+- in:  [12, 35]
+  out: [37]
+- in:  [9, 40]
+  out: [41]
+- in:  [28, 45]
+  out: [53]
+- in:  [11, 60]
+  out: [61]
+- in:  [16, 63]
+  out: [65]
+- in:  [33, 56]
+  out: [65]
+- in:  [48, 55]
+  out: [73]
+- in:  [13, 84]
+  out: [85]
+- in:  [36, 77]
+  out: [85]
+#- in:  [39, 80]
+#  out: [89]
+#- in:  [65, 72]
+#  out: [97]
+#- in:  [20, 99]
+#  out: [101]
+#- in:  [60, 91]
+#  out: [109]
+#- in:  [15, 112]
+#  out: [113]
+#- in:  [44, 117]
+#  out: [125]
+#- in:  [88, 105]
+#  out: [137]
+#- in:  [17, 144]
+#  out: [145]
+#- in:  [24, 143]
+#  out: [145]
+#- in:  [51, 140]
+#  out: [149]
+#- in:  [85, 132]
+#  out: [157]
+#- in:  [119, 120]
+#  out: [169]
+#- in:  [52, 165]
+#  out: [173]
+#- in:  [19, 180]
+#  out: [181]
+#- in:  [57, 176]
+#  out: [185]
+#- in:  [104, 153]
+#  out: [185]
+#- in:  [95, 168]
+#  out: [193]
+#- in:  [28, 195]
+#  out: [197]
+#- in:  [84, 187]
+#  out: [205]
+#- in:  [133, 156]
+#  out: [205]
+#- in:  [21, 220]
+#  out: [221]
+#- in:  [140, 171]
+#  out: [221]
+#- in:  [60, 221]
+#  out: [229]
+#- in:  [105, 208]
+#  out: [233]
+#- in:  [120, 209]
+#  out: [241]
+#- in:  [32, 255]
+#  out: [257]
+#- in:  [23, 264]
+#  out: [265]
+#- in:  [96, 247]
+#  out: [265]
+#- in:  [69, 260]
+#  out: [269]
+#- in:  [115, 252]
+#  out: [277]
+#- in:  [160, 231]
+#  out: [281]
+#- in:  [161, 240]
+#  out: [289]
+#- in:  [68, 285]
+#  out: [293]