document.write( "Question 770659: I have 64 people and need to make groups of 8 that will rotate 3 times and not be with the same person more than once.\r
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\n" ); document.write( "\n" ); document.write( "Karen \n" ); document.write( "
Algebra.Com's Answer #469666 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Make an 8x8 grid of numbers 1-64, each number representing\r\n" );
document.write( "one of the 64 people.\r\n" );
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document.write( "I'll connect the 8 members in each group with lines.\r\n" );
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document.write( "The first 8 groups will consist of the 8 rows:\r\n" );
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document.write( " 1---2---3---4---5---6---7---8\r\n" );
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document.write( " 9--10--11--12--13--14--15--16\r\n" );
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document.write( "17--18--19--20--21--22--23--24 \r\n" );
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document.write( "25--26--27--28--29--30--31--32\r\n" );
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document.write( "33--34--35--36--37--38--39--40 \r\n" );
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document.write( "41--42--43--44--45--46--47--48\r\n" );
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document.write( "49--50--51--52--53--54--55--56\r\n" );
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document.write( "57--58--59--60--61--62--63--64\r\n" );
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document.write( "The second 8 groups will consist of the 8 columns:\r\n" );
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document.write( " 1   2   3   4   5   6   7   8\r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( " 9  10  11  12  13  14  15  16\r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( "17  18  19  20  21  22  23  24 \r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( "25  26  27  28  29  30  31  32\r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( "33  34  35  36  37  38  39  40 \r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( "41  42  43  44  45  46  47  48\r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( "49  50  51  52  53  54  55  56\r\n" );
document.write( " |   |   |   |   |   |   |   |\r\n" );
document.write( "57  58  59  60  61  62  63  64\r\n" );
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document.write( "To make the third 8 groups, make the grid again on the\r\n" );
document.write( "right as below. Then take the 8 diagonals as the 8 groups.\r\n" );
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document.write( " 1   2   3   4   5   6   7   8   1   2   3   4   5   6   7   8\r\n" );
document.write( "   \   \   \   \   \   \   \   \ \r\n" );
document.write( " 9  10  11  12  13  14  15  16   9  10  11  12  13  14  15  16\r\n" );
document.write( "      \   \   \   \   \   \   \   \\r\n" );
document.write( "17  18  19  20  21  22  23  24  17  18  19  20  21  22  23  24 \r\n" );
document.write( "          \   \   \   \   \   \   \   \\r\n" );
document.write( "25  26  27  28  29  30  31  32  25  26  27  28  29  30  31  32\r\n" );
document.write( "              \   \   \   \   \   \   \   \\r\n" );
document.write( "33  34  35  36  37  38  39  40  33  34  35  36  37  38  39  40 \r\n" );
document.write( "                  \   \   \   \   \   \   \   \\r\n" );
document.write( "41  42  43  44  45  46  47  48  41  42  43  44  45  46  47  48\r\n" );
document.write( "                       \   \   \   \   \   \   \   \\r\n" );
document.write( "49  50  51  52  53  54  55  56  49  50  51  52  53  54  55  56\r\n" );
document.write( "                           \   \   \   \   \   \   \   \\r\n" );
document.write( "57  58  59  60  61  62  63  64  57  58  59  60  61  62  63  64 \r\n" );
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document.write( "Then nobody will be in a group with anybody else more than once.\r\n" );
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document.write( "Edwin
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