Node-red-contrib-i2c

Good morning.

I have Node-Red on Raspberry.
I have been connected by 3 expander for 4 years.
I use via bash script and work.
sudo i2cdetect -y 1
Are at 20,21,22.
The IC2 Scaner node shows [32,33,34]
Why?

20 hexadecimal == 32 decimal
21 hexadecimal == 33 decimal
...

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