cam@cam-crunchbang:~/go/src/bitbucket.org/cpalone/csolve$ go test -test.bench=. -test.benchmem=true
testing: warning: no tests to run
PASS
Benchmark2Gen_depth12	Searching at depth 1
Searching at depth 2
Searching at depth 3
Searching at depth 4
Searching at depth 5
Searching at depth 6
Searching at depth 7
Searching at depth 8
Searching at depth 9
Searching at depth 10
Searching at depth 11
Found solution:  [7 3 4 2 4 0 7 0 7 0 4]
Found solution:  [6 3 5 2 4 0 7 0 6 0 5]
Searching at depth 12
Found solution:  [1 4 2 5 3 6 3 7 0 6 0 5]
       1	6552909625 ns/op	   17504 B/op	      22 allocs/op
ok  	bitbucket.org/cpalone/csolve	6.554s