! Copyright (c) 2010 Aaron Schaefer. All rights reserved.
! The contents of this file are licensed under the Simplified BSD License
! A copy of the license is available at http://factorcode.org/license.txt
-USING: grouping kernel math math.ranges project-euler.common
+USING: grouping kernel math ranges project-euler.common
sequences sequences.cords assocs ;
IN: project-euler.206