This is why Ctrl+C is 0x03 and Ctrl+G is the bell. The columns aren't arbitrary. They're the control codes with bit 6 flipped. Once you see it, you can't unsee

This is why Ctrl+C is 0x03 and Ctrl+G is the bell. The columns aren't arbitrary. They're the control codes with bit 6 flipped. Once you see it, you can't unsee it. Best ASCII explainer I've read.