7 front 0 back 2 3.25679
7 front 0 back 1 3.08785
7 front 1 back 2 3.25679
7 front 1 back 1 3.14218
7 front 2 back 2 3.29688
7 front 2 back 1 3.16072
7 front 3 back 2 3.29688
7 front 3 back 1 3.12386