(2,, 6,, 3, 4, 6, 7, 4, 6, 7,

2, 3, 4, 6, 7, 2 2 3 7,

2,, 3, 4, 6, 6, 7, 4, 6, 7, (4` 3` 7)

4#, 4#, 6, 2 2)

?

3, 4, 4,6, 4, 6, 4, 2 7, 6,7,6, 4, 6,

7, 4#, 6, 7, 2 3 4 2

3, 4, 4,6, 4, 6, 4, 2 7, 7,6, 4, 6,

7, 4#, 6, 7, 2 3 4 2

(4, 4#, 6, 2 3 2 4#, 6, 4,)

?

6 4 3 2 6,7, (6 4 3 232 7,)

6 4 3 2 6,7, (4 3 4 7 46)

4 3 2 7, 2 3 4 7 64 4 (3 2 6,)

6 4 3 2 6,7, (6 4 3 3 2 7,)

6 4 3 2 6, (6, 7, 2 3 4 4# 6)

4 3 2 27,

2 3 4 3 2 3 2

?

(4, 4#, 6, 2 3 2 4#, 6,

4, 6, 7, 2 3 4 6 7

4,~ 3, 4, 6, 4, 3, 4, 6, 3, 2, 3, 6, 4,

4, 6, 7, 4, 7, 1 6, 4,

6, 4, 6, 3, 6,, 7,, 2, ( 6, 7, 3 2 6,))

?

3, 4, 6, 4, 6, 4, 2 7, 6, 4, 6,

7, 4#, 6, 7, 2 3 4 2 (3` 2`)

3, 4, 4,6, 4, 6, 4, 2 7, 6,7,6, 4, 6,

7, 4#, 6, 7, 2 3 4 2

?

6 4 3 2 6,7, (6 4 3 232 7,)

6 4 3 2 6,7, (4 3 4 7 46)

4 3 2 7, 2 3 4 7 64 4 (3 2 6,)

6 4 3 2 6,7, (6 4 3 3 2 7,)

6 4 3 2 6, (6, 7, 2 3 4 4# 6)

4 3 2 27,

2 3 4 3 2 3 2

?

(4 6 7, 2 3 6, 4 3 2 3 6 4

4 6 7 4 6 7 6 2 3 6, 3 2)

?

4 2# 1 7, 5,

4 2# 1 7, 4,

2# 1 7, 5, 7, 1 2# 5 5 4 2#

4 2# 1 7, 5,

4 2# 1 7, 4,

7, 1 2# 1 7, 1 7, (4, 7,)