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Help with Nrf24L01 radio modules on arduino?

Hi everyone
I need some help at coding
I have a few arduinos and a few nrf24l01 radio modules
I basically want to transmit and receive  a hexadecimal number between the arduinos
for example  00143200  or  00af1d00
can anyone please give me a simple code ?

http://arduino-info.wikispaces.com/Nrf24L01-2.4GHz-HowTo