(A) t4 t2 t1 t2
1 3 1 3 1 2 3 2 3 1
t4 t2
1 3 1 3 1 1 3 1 3
t2 t2 t4 t2
1 3 3 1 3 3
t2
1 3 3 1 3 3
t2 t1 t4 t4
1 3 4 3 2 3 1 3 2 3 2
t2 2 2 4 2 t1 t1
1 1 1 1 1 3 1 3 1 3
t4 t3 t2 t4
3 1 3 1 3 3 1 4 1 4 1
t2 2 2 4 2 t2
3 3 4 3 4 1 4 3 4 3 4
t3 t1 t4
2 4 2 4 2 1 1 2 1 2 1
t1 1 1 4 1
3 2 3 2 3 3 2 3 2 3
t2 t1 t2
1 2 1 3 1 1 1 1 3 1
1 2 1 2 1 1 2 1 2 1
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
t1 t1 t1
3 2 3 2 3 3 4 3 2 3
t1 1 1 4 1
2 2 1 2 1 1 2 1 2 1
t4 t1 t1
1 3 1 1 1 3 1 3 2 1 2 3
t4 t2 t2
1 3 4 3 4 3 1 3 4 3 4 3
t4 t2
1 3 3 2 3 1 1 1
t2 2 2 4 2 t1 (B) t1 t2 t2
1 1 1 2 4 1 3 1 1 3
t2 t1 t1
1 1 2 2 2
t2 t2
1 1 1 1 1 3 3 3 3 3
t1 t4
3 2 3 2 3 1 2 1 2 1
t2
1 2 1 2 1 3 3 3 3 3
t2 t2 t2
3 1 1 1 1 3 4 3
t2 t2
1 1 1 1 1 3 3 3 3 3
t1 t4
3 2 3 2 3 1 2 1 2 1
1 2 1 2 1
¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨¨
t4 t2 t2 t2
1 3 1 3 1 1 3 4 3 1
t1 t1
1 1 1 3 1 1 1 2 3
t1
1 1 2 3 1 2 3 4
4 3
1 2