(11,a,10),(6,a,5),(1,a,4),(6,a,1),(5,a,4),(2,a,3),(7,a,8),(12,a,9),(7,a,2),(8,a,3),(10,b,11),(5,b,6),(4,b,1),(3,b,2),(8,b,7),(9,b,12),(1,c,6),(2,c,7),(4,c,5),(3,c,8),(1,d,2),(4,d,3),(5,d,8),(10,d,5),(9,d,8),(12,e,11),(7,e,6),(6,e,11),(7,e,12),(2,e,1),(3,e,4),(8,e,5),(9,e,10),(8,e,9),(5,e,10)
