Sn range is given in here. .
www.dot.state.fl.us/rddesign/DS/08/IDx/514.pdf -- http://mail.python.org/mailman/listinfo/python-list
Sn range is given in here. .
www.dot.state.fl.us/rddesign/DS/08/IDx/514.pdf -- http://mail.python.org/mailman/listinfo/python-list