Survo puzzles: www.survo.fi/puzzles --------------------------------------- Copyright (c) Survo Systems 2006-2007 Survo puzzle 66/2007 (120) A B C D E F 1 * 11 8 * * * 56 2 * * * * * 6 48 3 9 * * 13 7 * 67 20 30 23 33 26 39 Survo puzzle 67/2007 (510) A B C D E F 1 16 * * * 11 * 63 2 * 8 * 14 * * 43 3 * * 17 * * * 65 25 39 25 22 33 27 Survo puzzle 68/2007 (1200) A B C D E F 1 * * * * * * 90 2 * * * * * * 48 3 * * * * * * 33 43 35 31 27 22 13