Instance name:   BHW1
Authors:         HKSG
Date:            July 16, 2012
Reference: 	 Spider-Solver
Solution
Route 1 : 1-A1-N2-E3-9-A11-11-E5-5 1
Route 2 : 1-A2-4-E2-2-E1-N3 5-E6-12 1
Route 3 : 1-A4-10-E11-N11-E9-8 7-E8-12 1
Route 4 : 1 12-A9-6-E4-5-A7-3-A6-N4 1
Route 5 : 1-A3-7-E7-8-A10-N10-E10-9 1
Route 6 : 1-A5-N12 N7-A8-6 1
Total cost:        337