(A)
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
(B)
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
----------------|----------------
----------------|----------------
----2-2-----2-2-|----2-2---------
3-3-----3-3-----|3-3-----3-3-3-3-
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
----------------|----------------
----------------|----------------
----2-2-----2-2-|----2-2---------
3-3-----3-3-----|3-3-----3-3-3-3-
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
----------------|----------------
----------------|--------2-0---3-
0-0-3-3-0-0-3-3-|0-0-3-0-----3---
----------------|----------------
(C)
----------------|----------------
--3-3-3-3-3-3-5-|--5-5-5-5-5-5-5-
----------------|----------------
----------------|----------------
2-2-2-2-2-2-2-2-|2-2-2-2-2-2-2---
----------------|--------------3-
----------------|----------------
----------------|----------------
----------------|----------------
--3-3-3-3-3-3-5-|--5-5-5-5-5-5-5-
----------------|----------------
----------------|----------------
----------------|----------------
----------------|----------------
7-7-7-7-7-7-7-7-|7---------------
----------------|----------------
(D)
----------------|----------------
----------------|----------------
0-0-3-3-0-0-3-3-|----2-2-----2-2-
----------------|3-3-----3-3-----
----------------|----------------
----------------|--------2-0-----
0-0-3-3-0-0-3-3-|0-0-3-0-----3-3-
----------------|----------------
----------------|----------------
----------------|----------------
0-0-3-3-0-0-3-3-|----2-2-----2-2-
----------------|3-3-----3-3-----
----------------|----------------
----------------|--------2-0---3-
0-0-3-3-0-0-3-3-|0-0-3-0-----3---
----------------|----------------
(E)
----------------|----------------
----------------|----------------
----------------|----------------
0---------------|----------------
‰‰‘t‡˜FAx2¨B¨C¨Ax2¨D¨C¨E