Testdata for graph partitioning from Johnsons paper

• G124.02
• G124.04
• G124.08
• G124.16
• G250.01
• G250.02
• G250.04
• G250.08
• G500.005
• G500.01
• G500.02
• G500.04
• G1000.0025
• G1000.005
• G1000.01
• G1000.02
• U500.10
• U500.20
• U500.40
• U1000.05
• U1000.10
• U1000.20
• U1000.40