Help for this page
123 + 1 << 32 with 123 + (1 << 32)
456 + 1 << 32 with 456 + (1 << 32)
D:\>perl -le "print 'ok' if 123 + 1 << 32 == 124 << 32 && 456 + 1 << 3 +2 == 457 << 32;" ok