Changes to be committed:
	new file:   12-12.rst
	new file:   12-12_self_avoiding_rw.aux
	new file:   12-12_self_avoiding_rw.dvi
	new file:   12-12_self_avoiding_rw.pdf
	new file:   12-12_self_avoiding_rw.py
	new file:   12-12_self_avoiding_rw.tex
	new file:   12-12_self_avoiding_rw.tex.backup
	new file:   before.txt
	new file:   figure_1.pdf
	new file:   figure_1.png
	new file:   figure_1.xbb
	new file:   figure_2.pdf
	new file:   figure_2.png
	new file:   figure_2.xbb
	new file:   self_avoiding_rw_different.py