On 29 Oct 2008, at 18:08, Alex Smith wrote:
I PBA-deposit a 9 crop [gaining ^19]. I PBA-withdraw a 0 crop [paying ^9]. I PBA-deposit two 6 crops [gaining ^28+^27=^55]. I PBA-withdraw four 7 crops [paying ^11+^12+^13+^14=^50]. I PBA-withdraw two 4 crops [paying ^6+^7=^13].
works -- ehird
