ref: 0eae465b2ba82f8a0e49c869bddd37b85ec2e5ae dir: /test/data/stdsort-expected/
0 1 2 3 4 5 6 7 8 9 --- 1 2 3 4 5 6 7 8 9 10 --- C Cc a aa b cC d f fuckit go