I. 1/2 1/2
next, 1/2 2/1
....or back to 3a_1.html
....or back to 3a.html
....or to 3z.html
II. 1/2 2/1
next, 2/1 1/2
....previous
III. 2/1 1/2
next, 2/1 2/1
....previous
IV. 2/1 2/1
return to previous
....or on to 3z.html
can't get track without a scorecard