diff --git a/conformance/blocks.zig b/conformance/blocks.zig
index a92f73893..cd4ae5b0b 100644
--- a/conformance/blocks.zig
+++ b/conformance/blocks.zig
@@ -67,40 +67,17 @@ pub fn main() !void {
 
     {
         try stdout.print("\x1b[4mWedge Triangles\x1b[0m\n", .{});
-        {
-            var i: usize = 0x1FB3C;
-            const end = 0x1FB40;
-            while (i <= end) : (i += 1) {
-                try stdout.print("{u} ", .{@intCast(u21, i)});
-            }
-        }
-        {
-            var i: usize = 0x1FB47;
-            const end = 0x1FB4B;
-            while (i <= end) : (i += 1) {
-                try stdout.print("{u} ", .{@intCast(u21, i)});
-            }
-        }
-        {
-            var i: usize = 0x1FB57;
-            const end = 0x1FB5B;
-            while (i <= end) : (i += 1) {
-                try stdout.print("{u} ", .{@intCast(u21, i)});
-            }
-        }
-        {
-            var i: usize = 0x1FB62;
-            const end = 0x1FB66;
-            while (i <= end) : (i += 1) {
-                try stdout.print("{u} ", .{@intCast(u21, i)});
-            }
-        }
-        {
-            var i: usize = 0x1FB6C;
-            const end = 0x1FB6F;
-            while (i <= end) : (i += 1) {
-                try stdout.print("{u} ", .{@intCast(u21, i)});
+        var i: usize = 0x1FB3C;
+        var step: usize = 32;
+        const end = 0x1FB6B;
+        while (i <= end) : (i += step) {
+            var j: usize = 0;
+            while (j < step) : (j += 1) {
+                const v = i + j;
+                if (v <= end) try stdout.print("{u} ", .{@intCast(u21, v)});
             }
+
+            try stdout.print("\n\n", .{});
         }
     }
 }
diff --git a/pkg/pixman/image.zig b/pkg/pixman/image.zig
index b285744cd..caccc65a9 100644
--- a/pkg/pixman/image.zig
+++ b/pkg/pixman/image.zig
@@ -99,6 +99,36 @@ pub const Image = opaque {
         );
     }
 
+    pub fn composite(
+        self: *Image,
+        op: pixman.Op,
+        src: *Image,
+        mask: ?*Image,
+        src_x: i16,
+        src_y: i16,
+        mask_x: i16,
+        mask_y: i16,
+        dest_x: i16,
+        dest_y: i16,
+        width: u16,
+        height: u16,
+    ) void {
+        c.pixman_image_composite(
+            @enumToInt(op),
+            @ptrCast(*c.pixman_image_t, src),
+            @ptrCast(?*c.pixman_image_t, mask),
+            @ptrCast(*c.pixman_image_t, self),
+            src_x,
+            src_y,
+            mask_x,
+            mask_y,
+            dest_x,
+            dest_y,
+            width,
+            height,
+        );
+    }
+
     pub fn compositeTriangles(
         self: *Image,
         op: pixman.Op,
diff --git a/src/font/BoxFont.zig b/src/font/BoxFont.zig
index 94977fbbe..d055c196b 100644
--- a/src/font/BoxFont.zig
+++ b/src/font/BoxFont.zig
@@ -302,13 +302,20 @@ fn draw(self: BoxFont, alloc: Allocator, img: *pixman.Image, cp: u32) !void {
 
         0x1FB00...0x1FB3B => self.draw_sextant(img, cp),
 
-        0x1fb3c...0x1fb40,
-        0x1fb47...0x1fb4b,
-        0x1fb57...0x1fb5b,
-        0x1fb62...0x1fb66,
-        0x1fb6c...0x1fb6f,
+        0x1FB3C...0x1FB40,
+        0x1FB47...0x1FB4B,
+        0x1FB57...0x1FB5B,
+        0x1FB62...0x1FB66,
+        0x1FB6C...0x1FB6F,
         => try self.draw_wedge_triangle(img, cp),
 
+        0x1FB41...0x1FB45,
+        0x1FB4C...0x1FB50,
+        0x1FB52...0x1FB56,
+        0x1FB5D...0x1FB61,
+        0x1FB68...0x1FB6B,
+        => try self.draw_wedge_triangle_inverted(img, cp),
+
         else => return error.InvalidCodepoint,
     }
 }
@@ -2051,6 +2058,26 @@ fn draw_wedge_triangle(self: BoxFont, img: *pixman.Image, cp: u32) !void {
     img.compositeTriangles(.over, src, .a8, 0, 0, 0, 0, tris);
 }
 
+fn draw_wedge_triangle_inverted(self: BoxFont, img: *pixman.Image, cp: u32) !void {
+    try self.draw_wedge_triangle(img, cp);
+
+    const src = try pixman.Image.createSolidFill(white);
+    defer _ = src.unref();
+    img.composite(
+        .out,
+        src,
+        null,
+        0,
+        0,
+        0,
+        0,
+        0,
+        0,
+        @intCast(u16, self.width),
+        @intCast(u16, self.height),
+    );
+}
+
 fn draw_light_arc(
     self: BoxFont,
     alloc: Allocator,
diff --git a/src/font/Group.zig b/src/font/Group.zig
index 0746765e9..60d9ab845 100644
--- a/src/font/Group.zig
+++ b/src/font/Group.zig
@@ -194,6 +194,7 @@ pub fn indexForCodepoint(
 
             // "Symbols for Legacy Computing" block
             0x1FB00...0x1FB3B => true,
+
             0x1FB3C...0x1FB40,
             0x1FB47...0x1FB4B,
             0x1FB57...0x1FB5B,
@@ -201,6 +202,13 @@ pub fn indexForCodepoint(
             0x1FB6C...0x1FB6F,
             => true,
 
+            0x1FB41...0x1FB45,
+            0x1FB4C...0x1FB50,
+            0x1FB52...0x1FB56,
+            0x1FB5D...0x1FB61,
+            0x1FB68...0x1FB6B,
+            => true,
+
             else => false,
         }) {
             return FontIndex.initSpecial(.box);