>One of us is gonna be eating humble pie

........and I do hope that it`s me!

:o)

........but.........

So far, it seems that a minimum of seven(!) structures will have to be assembled. That`s two towers each for two uprights, one *tall* tower for the lintel and at least two structures for the oarsmen to stand on.

We may be able to get away with only two structures for the oarsmen by rowing them out of the way and back into position again for the next stone.

baz