[cal828]

R5

$1 Tri 2//3,4,5,6//3,4,5,6=$12

$1 Tri 3,4,5,6//2//3,4,5,6=$12

$3 Tri 2,4//2,4//3,5,6,7=$24

R6

$1 Tri 4//1,3,6,8//1,3,6,8=$12

$1 Tri 1,3,6,8//4//1,3,6,8=$12

$3 Tri 4,6//4,6//1,3,5,8=$24

$1 Tri 4,6//4,6//1,8=$4