diff --git a/negentropy/whatever_test.go b/negentropy/whatever_test.go
index 754c3dc..ff7d705 100644
--- a/negentropy/whatever_test.go
+++ b/negentropy/whatever_test.go
@@ -8,24 +8,42 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestSmallNumber(t *testing.T) {
+func TestWhatever(t *testing.T) {
+	runTestWith(t,
+		"small numbers",
+		20,
+		[][]int{{2, 15}}, [][]int{{0, 7}, {10, 20}},
+		[][]int{{0, 2}, {15, 20}}, [][]int{{7, 10}})
+}
+
+func runTestWith(t *testing.T,
+	name string,
+	totalEvents int,
+	n1Ranges [][]int, n2Ranges [][]int,
+	expectedN1NeedRanges [][]int, expectedN1HaveRanges [][]int,
+) {
 	var err error
 	var q []byte
 	var n1 *Negentropy
 	var n2 *Negentropy
 
-	events := make([]*nostr.Event, 20)
+	events := make([]*nostr.Event, totalEvents)
 	for i := range events {
-		evt := nostr.Event{Content: fmt.Sprintf("event %d", i+1)}
+		evt := nostr.Event{}
+		evt.Content = fmt.Sprintf("event %d", i+1)
+		evt.Kind = 1
 		evt.CreatedAt = nostr.Timestamp(i)
 		evt.ID = evt.GetID()
 		events[i] = &evt
+		fmt.Println("evt", i, evt.ID)
 	}
 
 	{
 		n1, _ = NewNegentropy(NewVector(32), 1<<16, 32)
-		for i := 2; i < 15; i++ {
-			n1.Insert(events[i])
+		for _, r := range n1Ranges {
+			for i := r[0]; i < r[1]; i++ {
+				n1.Insert(events[i])
+			}
 		}
 
 		q, err = n1.Initiate()
@@ -39,11 +57,10 @@ func TestSmallNumber(t *testing.T) {
 
 	{
 		n2, _ = NewNegentropy(NewVector(32), 1<<16, 32)
-		for i := 0; i < 7; i++ {
-			n2.Insert(events[i])
-		}
-		for i := 10; i < 20; i++ {
-			n2.Insert(events[i])
+		for _, r := range n2Ranges {
+			for i := r[0]; i < r[1]; i++ {
+				n2.Insert(events[i])
+			}
 		}
 
 		q, _, _, err = n2.Reconcile(q)
@@ -64,22 +81,26 @@ func TestSmallNumber(t *testing.T) {
 		}
 		fmt.Println("[n1]:", q)
 		fmt.Println("")
-		fmt.Println("have", have)
-		fmt.Println("need", need)
+		fmt.Println("<need>", need)
+		fmt.Println("<have>", have)
 
-		expectedNeed := make([]string, 0, 2+5)
-		for i := 0; i < 2; i++ {
-			expectedNeed = append(expectedNeed, events[i].ID)
-		}
-		for i := 15; i < 20; i++ {
-			expectedNeed = append(expectedNeed, events[i].ID)
+		expectedNeed := make([]string, 0, 100)
+		for _, r := range expectedN1NeedRanges {
+			for i := r[0]; i < r[1]; i++ {
+				expectedNeed = append(expectedNeed, events[i].ID)
+			}
 		}
 
-		expectedHave := make([]string, 0, 3)
-		for i := 7; i < 10; i++ {
-			expectedHave = append(expectedHave, events[i].ID)
+		expectedHave := make([]string, 0, 100)
+		for _, r := range expectedN1HaveRanges {
+			for i := r[0]; i < r[1]; i++ {
+				expectedHave = append(expectedHave, events[i].ID)
+			}
 		}
 
+		fmt.Println("<e-need>", expectedNeed)
+		fmt.Println("<e-have>", expectedHave)
+
 		require.ElementsMatch(t, expectedNeed, need, "wrong need")
 		require.ElementsMatch(t, expectedHave, have, "wrong have")
 	}