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Posted by Moby Dick
on 14/9/2009, 10:40 pm, in reply to "Yes...213 possible"
I agree that the cost of your plan is 213 - but I'm curious as to why you have left some people behind - are they the wrong sort of people? 
(%i6) cross({1,4})$
{6,7,10,12,14,15,20,23,30,34.99,35.01,39,40.99,41.01,45,50,53,57} {1,4} 4
(%i7) return({1})$
{1,6,7,10,12,14,15,20,23,30,34.99,35.01,39,40.99,41.01,45,50,53,57} {4} 5
(%i8) cross({50,53,57})$
{1,6,7,10,12,14,15,20,23,30,34.99,35.01,39,40.99,41.01,45} {4,50,53,57} 62
(%i9) return({4})$
{1,4,6,7,10,12,14,15,20,23,30,34.99,35.01,39,40.99,41.01,45} {50,53,57} 66
(%i10) cross({1,4})$
{6,7,10,12,14,15,20,23,30,34.99,35.01,39,40.99,41.01,45} {1,4,50,53,57} 70
(%i11) return({1})$
{1,6,7,10,12,14,15,20,23,30,34.99,35.01,39,40.99,41.01,45} {4,50,53,57} 71
(%i12) cross({40.99, 41.01, 45})$
{1,6,7,10,12,14,15,20,23,30,34.99,35.01,39} {4,40.99,41.01,45,50,53,57} 116
(%i13) return({4})$
{1,4,6,7,10,12,14,15,20,23,30,34.99,35.01,39} {40.99,41.01,45,50,53,57} 120
(%i14) cross({1,4})$
{6,7,10,12,14,15,20,23,30,34.99,35.01,39} {1,4,40.99,41.01,45,50,53,57} 124
(%i15) return({1})$
{1,6,7,10,12,14,15,20,23,30,34.99,35.01,39} {4,40.99,41.01,45,50,53,57} 125
(%i16) cross({34.99, 35.01, 39})$
{1,6,7,10,12,14,15,20,23,30} {4,34.99,35.01,39,40.99,41.01,45,50,53,57} 164
(%i17) return({4})$
{1,4,6,7,10,12,14,15,20,23,30} {34.99,35.01,39,40.99,41.01,45,50,53,57} 168
(%i18) cross({1,4})$
{6,7,10,12,14,15,20,23,30} {1,4,34.99,35.01,39,40.99,41.01,45,50,53,57} 172
(%i19) return({1})$
{1,6,7,10,12,14,15,20,23,30} {4,34.99,35.01,39,40.99,41.01,45,50,53,57} 173
(%i20) cross({20, 23, 30})$
{1,6,7,10,12,14,15} {4,20,23,30,34.99,35.01,39,40.99,41.01,45,50,53,57} 203
(%i21) return({4})$
{1,4,6,7,10,12,14,15} {20,23,30,34.99,35.01,39,40.99,41.01,45,50,53,57} 207
(%i22) cross({1,4,6})$
{7,10,12,14,15} {1,4,6,20,23,30,34.99,35.01,39,40.99,41.01,45,50,53,57} 213
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