1/3 1/2 1/3 1/3 2/3 1/2 1/2 2
z2 := (1 - (1 - %1 ) + (2 + %1 + 2 (1 + %1 + %1 ) ) )

31 1/3 // 2501 1/2 \1/3 / 2501 1/2 \1/3\
%1 := 1/4 - —- 11 ||——- 33 + 1| - |——- 33 - 1| |
242 \\11979 / \11979 / /

1/3 1/2 1/3 1/3 2/3 1/2 1/2 2
z3 := (- 1 - (1 - %1 ) + (2 + %1 + 2 (1 + %1 + %1 ) ) )

31 1/3 // 2501 1/2 \1/3 / 2501 1/2 \1/3\
%1 := 1/4 - —- 11 ||——- 33 + 1| - |——- 33 - 1| |
242 \\11979 / \11979 / /

1/3 1/2
z4 := 1/(1/33 (1089 + 372 11 )

/ 124 1/3 / 124 1/3 15376 2/3\1/2\1/2
+ |2 - —- 11 + 2 |1 - —- 11 + ——— 11 | | )^1/2
\ 363 \ 363 131769 / /

1/4 7/12
z := 3/44 3 11

1/3 1/2 1/3 1/3 2/3 1/2 1/2 2
(1 - (1 - %1 ) + (2 + %1 + 2 (1 + %1 + %1 ) ) )

1/3 1/2 1/3 1/3 2/3 1/2 1/2 2 /
(- 1 - (1 - %1 ) + (2 + %1 + 2 (1 + %1 + %1 ) ) ) / (
/

2/3 1/3 1/2
%1 (1/33 (1089 + 372 11 )