-----
b
x.py
y.py
-----
a
y.py
-----
-----
-----
${TMP}
${TMP}/a
${TMP}/a/b
${TMP}/a/b/y.py
${TMP}/a/x.py
${TMP}/b1
${TMP}/b1/b
${TMP}/b1/b/y.py
${TMP}/b1/x.py
${TMP}/b2
${TMP}/b2/b
${TMP}/b2/b/y.py
${TMP}/b2/x.py
${TMP}/b3
${TMP}/b3/b
${TMP}/b3/b/y.py
${TMP}/b3/x.py
${TMP}/b4
${TMP}/b4/b
${TMP}/b4/b/y.py
${TMP}/b4/x.py
${TMP}/c1
${TMP}/c1/a
${TMP}/c1/a/b
${TMP}/c1/a/b/y.py
${TMP}/c1/a/x.py
${TMP}/c2
${TMP}/c2/a
${TMP}/c2/a/b
${TMP}/c2/a/b/y.py
${TMP}/c2/a/x.py
${TMP}/c3
${TMP}/c3/a
${TMP}/c3/a/b
${TMP}/c3/a/b/y.py
${TMP}/c3/a/x.py
${TMP}/c4
${TMP}/c4/a
${TMP}/c4/a/b
${TMP}/c4/a/b/y.py
${TMP}/c4/a/x.py
${TMP}/y.py
-----
-----
-----
-----
${TMP}
${TMP}/a
${TMP}/a/b
${TMP}/a/b/y.py
${TMP}/a/x.py
${TMP}/b1
${TMP}/b1/b
${TMP}/b1/b/y.py
${TMP}/b1/x.py
${TMP}/b2
${TMP}/b2/b
${TMP}/b2/b/y.py
${TMP}/b2/x.py
${TMP}/b3
${TMP}/b3/b
${TMP}/b3/b/y.py
${TMP}/b3/x.py
${TMP}/b4
${TMP}/b4/b
${TMP}/b4/b/y.py
${TMP}/b4/x.py
${TMP}/c1
${TMP}/c1/a
${TMP}/c1/a/b
${TMP}/c1/a/b/y.py
${TMP}/c1/a/x.py
${TMP}/c2
${TMP}/c2/a
${TMP}/c2/a/b
${TMP}/c2/a/b/y.py
${TMP}/c2/a/x.py
${TMP}/c3
${TMP}/c3/a
${TMP}/c3/a/b
${TMP}/c3/a/b/y.py
${TMP}/c3/a/x.py
${TMP}/c4
${TMP}/c4/a
${TMP}/c4/a/b
${TMP}/c4/a/b/y.py
${TMP}/c4/a/x.py
${TMP}/y.py