Slight improvement

codes/codes.go

@@ -8,10 +8,8 @@ type Code struct {
 var codes = [256]Code{
 	{Value: 0b0000, Bits: 4},
 	{Value: 0b0001, Bits: 4},
-	{Value: 0b00100, Bits: 5},
-	{Value: 0b00101, Bits: 5},
-	{Value: 0b00110, Bits: 5},
-	{Value: 0b00111, Bits: 5},
+	{Value: 0b0010, Bits: 4},
+	{Value: 0b0011, Bits: 4},
 	{Value: 0b01000, Bits: 5},
 	{Value: 0b01001, Bits: 5},
 	{Value: 0b01010, Bits: 5},
@@ -262,6 +260,8 @@ var codes = [256]Code{
 	{Value: 0b1111111011, Bits: 10},
 	{Value: 0b1111111100, Bits: 10},
 	{Value: 0b1111111101, Bits: 10},
+	{Value: 0b1111111110, Bits: 10},
+	{Value: 0b1111111111, Bits: 10},
 }
 
 func CodeForIndex(index int) Code {

genseed/genseed.go

@@ -24,26 +24,16 @@ func main() {
 	chat := seeds.ChatState()
 	log.Printf("chat=%d [%s]", totalLength(chat, samples), chat)
 
-	chatOpt := optimize(chat, samples)
-	if chatOpt == nil {
-		log.Printf("\toptimal from further additions")
-	} else {
-		log.Printf("\tnot optimal [%s]", chatOpt)
-	}
-
 	opt := optimize(state.NewState(), samples)
 	log.Printf("opt=%d [%s]", totalLength(opt, samples), opt)
 }
 
 func optimize(st *state.State, samples [][]byte) *state.State {
-	var best *state.State
-
 	for true {
 		better := optimize2(st, samples)
 		if better == nil {
-			return best
+			return st
 		}
-		best = better
 		st = better
 		log.Printf("\titer=%d [%s]", totalLength(st, samples), st)
 	}

seeds/seeds.go

@@ -5,19 +5,22 @@ import (
 )
 
 var chatState = newStateFromSeed([][]byte{
-	/* 01 */ []byte("',.0:?CIbgjkpvxz\xea"),
-	/* 02 */ []byte("\nfw"),
-	/* 03 */ []byte("cdmuy"),
+	/* 01 */ []byte("',.?CIbcfjkpvxz\xea"),
+	/* 02 */ []byte("dgwy"),
+	/* 03 */ []byte("\nmru"),
 	/* 04 */ []byte("l"),
-	/* 05 */ []byte("r"),
-	/* 06 */ []byte("t"),
-	/* 07 */ []byte("ahos"),
-	/* 08 */ []byte("in"),
+	/* 05 */ []byte("hns"),
+	/* 06 */ []byte("a"),
+	/* 07 */ []byte(""),
+	/* 08 */ []byte("i"),
 	/* 09 */ []byte(""),
-	/* 10 */ []byte(""),
-	/* 11 */ []byte(" "),
+	/* 10 */ []byte(" "),
+	/* 11 */ []byte(""),
 	/* 12 */ []byte(""),
-	/* 13 */ []byte("e"),
+	/* 13 */ []byte(""),
+	/* 14 */ []byte("et"),
+	/* 15 */ []byte(""),
+	/* 16 */ []byte("o"),
 })
 
 func ChatState() *state.State {