- Added solution by Andrew Shitov.

15 files changed, 2372 insertions, 2286 deletions

diff --git a/stats/pwc-challenge-137.json b/stats/pwc-challenge-137.json
new file mode 100644
index 0000000000..58b54fb79b
--- /dev/null
+++ b/stats/pwc-challenge-137.json
@@ -0,0 +1,604 @@
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+}
diff --git a/stats/pwc-current.json b/stats/pwc-current.json
index a98a081d2b..2ee199720f 100644
--- a/stats/pwc-current.json
+++ b/stats/pwc-current.json
@@ -1,604 +1,63 @@
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