When the program starts a sequence with the heads start or
sides start command, there is an implicit "up to the middle"
in the first action. This only applies to the first call. If a sequence
starts with something else, such as `4 ladies chain', `4 ladies chain 3/4',
`head/side ladies chain to the right', or `all 4 couples right and left thru',
the result will be a squared set. To do the next call, one typically needs to have
the heads or sides go up to the middle. Since this is not the first call, the
program won't automatically do it, and you need to do it explicitly.
There is a call `<ANYONE> press ahead' for this purpose. The call
is officially on the C2 list, but Sd and Sdtty allow it at
Mainstream. Have the heads press ahead, or whatever is appropriate.
If the heads and sides are not positioned consistently (as, for example,
after an `all 4 ladies chain 3/4'), use the designation headliners
or sideliners. These designations refer to the people currently facing
head or side walls, respectively. Sd and Sdtty recognize them
at Mainstream. When actually calling in such a situation, a common phrase to use
is "at the heads," as in "all 4 ladies chain 3/4; at the heads,
square thru 2." The way this would be entered to the program is as follows:
just as they are (instead of heads or sides start) all 4 ladies chain 3/4 headliners press ahead centers square thru 2 (you must identify the centers)
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