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......................................................
................information...........................
strong..........electromagnetic..........strong.......
force...........twists where strings.....force........
MM..............cross over in middle.....OO...........
MM......................................OO............
..MM...................................OO.............
..MM..........OOOO.........MMMM.......OO..............
....MM......OO....OO.....MM...MM.....OO...............
......MM..00........OO.MM.......MM.OO.................
........MM........MM..OO........OO.MM.................
......OO..MM....MM......OO....OO.....MM...............
....OO......MMMM..........OOOO.........MM.............
..OO....................................MM............
..OO.........2-twists above is: boson....MM...........
OO..........(4pi over 2; even numbers)....MM..........
OO........................................MM..........
OO........................................MM..........
OO...........2-twists below is fermion....MM..........
OO..........(4 over 2pi; odd numbers).....MM..........
..OO....................................MM............
....OO.......MMMM.........OOOO..........MM............
......OO...MM....MM......OO....OO......MM.............
........MM........MM..OO........OO..MM................
......MM.OO.........OO.MM.........MM..................
....MM.....OO.....OO.....MM.....MM.OO.................
..MM.........OOOOO.........MMMMM.....OO...............
..MM..................................OO..............
MM.............information carried....OO..............
MM.............by electromagnetic......OO.............
weak force.....twists..................weak force.....
is applied.............................is applied.....
to tie first...........................to tie first...
half of square knot................half of square knot
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