In C please

3- Write a C program that turns on the Red, Green and Blue LEDs in the following pattern sequence when button 1 is pressed: R-RG-RGB-GB-B - RB. This procedure needs to be repeated when the button is pressed again after the sequence has complete. Use appropriate delays for the pattern to be detectable. 3- Write a C program that turns on the Red, Green and Blue LEDs in the following pattern sequence when button 1 is pressed: R-RG-RGB-GB-B - RB. This procedure needs to be repeated when the button is pressed again after the sequence has complete. Use appropriate delays for the pattern to be detectable