40000000 1 / 40000000
40000000 1 % 0
80000000 1 / 80000000
80000000 1 % 0
40000000 -1 / c0000000
40000000 -1 % 0
80000000 -1 / 80000000
80000000 -1 % 7fffffff
40000000 2 / 20000000
40000000 2 % 0
80000000 2 / c0000000
80000000 2 % 0
40000000 -2 / e0000000
40000000 -2 % 0
80000000 -2 / 40000000
80000000 -2 % 0