#C, 36 bytes each (49 bytes for the bonus challenge)

p(i){return 3500459>>(4*(7+~i))&15;}
b(i){return 2390221>>(4*(7+~i))&15;}

I'm sorry...I just couldn't help it... Ok, I put a real solution now.

##Bonus challenge, 49 bytes

f(i,t){return(2390221+t*1110238)>>(4*(7+~i))&15;}

Use f(button,0) and f(pin,1).

Live demo at Ideone.

##Originals:

p(i){int a[]={3,5,6,9,10,11};return a[i-1];}
b(i){int a[]={2,4,7,8,12,13};return a[i-1];}

C, 36 bytes each (49 bytes for the bonus challenge)

p(i){return 3500459>>(4*(7+~i))&15;}
b(i){return 2390221>>(4*(7+~i))&15;}

I'm sorry...I just couldn't help it... Ok, I put a real solution now.

Bonus challenge, 49 bytes

f(i,t){return(2390221+t*1110238)>>(4*(7+~i))&15;}

Use f(button,0) and f(pin,1).

Live demo at Ideone.

Originals:

p(i){int a[]={3,5,6,9,10,11};return a[i-1];}
b(i){int a[]={2,4,7,8,12,13};return a[i-1];}

#C, 36 bytes each (49 bytes for the bonus challenge)

p(i){return 3500459>>(4*(7+~i))&15;}
b(i){return 2390221>>(4*(7+~i))&15;}

I'm sorry...I just couldn't help it... Ok, I put a real solution now.

##Bonus challenge, 49 bytes

f(i,t){return(2390221+t*1110238)>>(4*(7+~i))&15;}

Use f(button,0) and f(pin,1).

Live demo at Ideone.

##Originals:

p(i){int a[]={3,5,6,9,10,11};return a[i-1];}
b(i){int a[]={2,4,7,8,12,13};return a[i-1];}

#C, 36 bytes each (49 bytes for the bonus challenge)

p(i){return 3500459>>(4*(7+~i))&15;}
b(i){return 2390221>>(4*(7+~i))&15;}

I'm sorry...I just couldn't help it... Ok, I put a real solution now.

##Bonus challenge, 49 bytes

f(i,t){return(2390221+t*1110238)>>(4*(7+~i))&15;}

Use f(button,0) and f(pin,1).

Live demo at Ideone.

##Originals:

p(i){int a[]={3,5,6,9,10,11};return a[i-1];}
b(i){int a[]={2,4,7,8,12,13};return a[i-1];}

#C, 36 bytes each (49 bytes for the bonus challenge)

p(i){return 3500459>>(4*(7+~i))&15;}
b(i){return 2390221>>(4*(7+~i))&15;}

I'm sorry...I just couldn't help it... Ok, I put a real solution now.

##Bonus challenge, 49 bytes

f(i,t){return(2390221+t*1110238)>>(4*(7+~i))&15;}

Use f(button,0) and f(pin,1).

Live demo at Ideone.

Screenshot http://s11.postimg.org/y832zg8tf/gpin2.png

##Originals:

p(i){int a[]={3,5,6,9,10,11};return a[i-1];}
b(i){int a[]={2,4,7,8,12,13};return a[i-1];}

#C, 36 bytes each (49 bytes for the bonus challenge)

p(i){return 3500459>>(4*(7+~i))&15;}
b(i){return 2390221>>(4*(7+~i))&15;}

I'm sorry...I just couldn't help it... Ok, I put a real solution now.

##Bonus challenge, 49 bytes

f(i,t){return(2390221+t*1110238)>>(4*(7+~i))&15;}

Use f(button,0) and f(pin,1).

Live demo at Ideone.

##Originals:

p(i){int a[]={3,5,6,9,10,11};return a[i-1];}
b(i){int a[]={2,4,7,8,12,13};return a[i-1];}