diff --git a/test/ic3/tuple.in b/test/ic3/tuple.in
index 34bb142..8c450ff 100644
--- a/test/ic3/tuple.in
+++ b/test/ic3/tuple.in
@@ -2,33 +2,42 @@
{"", ""}
{[], ""}
{"", []}
-{a, b}
-{a, b, c}
-{a, b, c, d}
-{a, b, c, d, e}
-{a, b, c, d, e, f}
-{a, b, c, d, e, f, g}
-{a, b, c, d, e, f, g, h}
-{a, b, c, d, e, f, g, h, i}
-{a, b, c, d, e, f, g, h, i, j}
-{{a, b}, {c, d}}
-{{a, b}, {c, d}, {e, f}}
-{{a, b}, {c, d}, {e, f}, {g, h}}
-{{a, b}, {c, d}, {e, f}, {g, h}, {i, j}}
+{:a, :b}
+{:a, :b, :c}
+{:a, :b, :c, :d}
+{:a, :b, :c, :d, :e}
+{:a, :b, :c, :d, :e, :f}
+{:a, :b, :c, :d, :e, :f, :g}
+{:a, :b, :c, :d, :e, :f, :g, :h}
+{:a, :b, :c, :d, :e, :f, :g, :h, :i}
+{:a, :b, :c, :d, :e, :f, :g, :h, :i, :j}
+{{:a, :b}, {:c, :d}}
+{{:a, :b}, {:c, :d}, {:e, :f}}
+{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}}
+{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}, {:i, :j}}
# comment 0
# comment 0b
{ # comment 1
# comment 1b
- a # comment 2
- # comment 2b
+ :a # comment 2
+ # comment 2b
, # comment 3
# comment 3b
- b ## comment 4
- ## comment 4b
+ :b ## comment 4
+ ## comment 4b
, ## comment 5
## comment 5b
- c ## comment 6
- ## comment 6b
+ :c ## comment 6
+ ## comment 6b
} ## comment 7
## comment 7b
+
+# comment 10
+{ # comment 11
+ a # comment 12
+ , # comment 13
+ b ## comment 14
+ , ## comment 15
+ c ## comment 16
+ } ## comment 17
diff --git a/test/ic3/tuple.out.expected b/test/ic3/tuple.out.expected
index 45abcc8..1f3a6c0 100644
--- a/test/ic3/tuple.out.expected
+++ b/test/ic3/tuple.out.expected
@@ -6,32 +6,34 @@
{"", []}
-{a, b}
+{:a, :b}
-{a, b, c}
+{:a, :b, :c}
+
+{:a, :b, :c, :d}
-{a, b, c, d}
+{:a, :b, :c, :d, :e}
-{a, b, c, d, e}
+{:a, :b, :c, :d, :e, :f}
-{a, b, c, d, e, f}
+{:a, :b, :c, :d, :e, :f, :g}
-{a, b, c, d, e, f, g}
+{:a, :b, :c, :d, :e, :f, :g, :h}
-{a, b, c, d, e, f, g, h}
+{:a, :b, :c, :d, :e, :f, :g, :h, :i}
-{a, b, c, d, e, f, g, h, i}
+{:a, :b, :c, :d, :e, :f, :g, :h, :i, :j}
-{a, b, c, d, e, f, g, h, i, j}
+{{:a, :b}, {:c, :d}}
-{{a, b}, {c, d}}
+{{:a, :b}, {:c, :d}, {:e, :f}}
-{{a, b}, {c, d}, {e, f}}
+{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}}
-{{a, b}, {c, d}, {e, f}, {g, h}}
+{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}, {:i, :j}}
-{{a, b}, {c, d}, {e, f}, {g, h}, {i, j}}
+{:a, :b, :c}
{a, b, c}