<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<svg xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" version="1.0" width="700" height="700" id="svg2">


<!-- Fano plane: -->
  <g style="opacity: 0.5;" transform="translate(50, 35)">
<!-- Lines: -->
    <circle cx="300" cy="355.66243" r="144.33756" fill="none" stroke="black" stroke-width="4"/>
    <polygon fill="none" stroke="black" stroke-width="4" points="50,500 550,500 300,66.9873"/>
    <line x1="50" y1="500" x2="425" y2="283.49364" stroke="black" stroke-width="4"/>
    <line x1="550" y1="500" x2="175" y2="283.49364" stroke="black" stroke-width="4"/>
    <line x1="300" y1="500" x2="300" y2="66.98729" stroke="black" stroke-width="4"/>
<!-- Vertices: -->
    <circle cx="50" cy="500" r="26" fill="black" stroke="none"/>
    <circle cx="550" cy="500" r="26" fill="black" stroke="none"/>
    <circle cx="300" cy="66.98729" r="26" fill="black" stroke="none"/>
    <circle cx="300" cy="355.66243" r="26" fill="black" stroke="none"/>
    <circle cx="300" cy="500" r="26" fill="black" stroke="none"/>
    <circle cx="175" cy="283.49364" r="26" fill="black" stroke="none"/>
    <circle cx="425" cy="283.49364" r="26" fill="black" stroke="none"/>
<!-- Numbers: -->
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 55.680375,518.0045 -6.86035,0 0,-25.85449 c -2.50652,2.34377 -5.46062,4.07717 -8.86231,5.2002 l 0,-6.22559 c 1.79036,-0.58591 3.73535,-1.69268 5.83496,-3.32031 2.0996,-1.64385 3.54003,-3.55628 4.32129,-5.73731 l 5.56641,0 0,35.9375"/>
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 311.98776,77.280602 0,6.37207 -24.04785,0 c 0.26041,-2.40885 1.04166,-4.68749 2.34375,-6.83594 1.30208,-2.1647 3.87369,-5.02928 7.71484,-8.59375 3.09243,-2.88084 4.98859,-4.83396 5.68848,-5.85937 0.94399,-1.41599 1.41599,-2.81573 1.41601,-4.19922 -2e-5,-1.52992 -0.41505,-2.70179 -1.24511,-3.51562 -0.81382,-0.83005 -1.94501,-1.24509 -3.39356,-1.24512 -1.4323,3e-5 -2.57163,0.43134 -3.41797,1.29394 -0.84636,0.86266 -1.33464,2.29495 -1.46484,4.29688 l -6.83594,-0.68359 c 0.4069,-3.77602 1.68457,-6.48598 3.83301,-8.12989 2.14843,-1.64384 4.83397,-2.46578 8.05664,-2.46582 3.53188,4e-5 6.30695,0.95219 8.32519,2.85645 2.01821,1.90433 3.02732,4.27249 3.02735,7.10449 -3e-5,1.61135 -0.293,3.14944 -0.87891,4.61426 -0.56968,1.44859 -1.48114,2.97039 -2.73437,4.56543 -0.8301,1.05796 -2.3275,2.57976 -4.49219,4.56543 -2.16473,1.98568 -3.54005,3.30404 -4.12598,3.95508 -0.56967,0.65104 -1.03354,1.28581 -1.3916,1.90429 l 13.62305,0"/>
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 163.12235,291.04668 6.64062,-0.80566 c 0.21158,1.69271 0.78125,2.98666 1.70899,3.88183 0.92772,0.89519 2.05077,1.34278 3.36914,1.34278 1.416,0 2.60415,-0.53711 3.56445,-1.61133 0.97655,-1.07421 1.46483,-2.52278 1.46485,-4.34571 -2e-5,-1.72524 -0.46389,-3.09243 -1.39161,-4.10156 -0.92775,-1.0091 -2.05893,-1.51365 -3.39355,-1.51367 -0.87892,2e-5 -1.92872,0.17091 -3.14941,0.5127 l 0.75683,-5.59083 c 1.85546,0.0489 3.27147,-0.34991 4.24805,-1.19628 0.97654,-0.86261 1.46483,-2.00193 1.46484,-3.41797 -1e-5,-1.2044 -0.35809,-2.16469 -1.07422,-2.88086 -0.71616,-0.71612 -1.6683,-1.07419 -2.85644,-1.07422 -1.17189,3e-5 -2.17286,0.40693 -3.00293,1.2207 -0.83009,0.81383 -1.33465,2.00198 -1.51367,3.56446 l -6.32325,-1.07422 c 0.43946,-2.16469 1.09863,-3.88995 1.97754,-5.17578 0.89518,-1.30206 2.13216,-2.31931 3.71094,-3.05176 1.59504,-0.74867 3.37727,-1.12301 5.34668,-1.12305 3.36912,4e-5 6.07095,1.07425 8.10547,3.22266 1.67641,1.75784 2.51462,3.74352 2.51465,5.95703 -3e-5,3.1413 -1.71715,5.64781 -5.15137,7.51953 2.05076,0.43947 3.6865,1.42417 4.90723,2.9541 1.23695,1.52996 1.85544,3.37729 1.85547,5.54199 -3e-5,3.14129 -1.14749,5.81869 -3.44239,8.03223 -2.29494,2.21354 -5.15138,3.32031 -8.56933,3.32031 -3.23895,0 -5.92449,-0.92773 -8.05664,-2.7832 -2.13217,-1.87174 -3.36915,-4.31315 -3.71094,-7.32422"/>
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 550.47713,517.69724 0,-7.20214 -14.64844,0 0,-6.00586 15.52735,-22.7295 5.76171,0 0,22.70508 4.44336,0 0,6.03028 -4.44336,0 0,7.20214 -6.64062,0 m 0,-13.23242 0,-12.23144 -8.22754,12.23144 8.22754,0"/>
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 287.62898,508.53709 6.83594,-0.70801 c 0.1953,1.54623 0.7731,2.77507 1.7334,3.68652 0.96027,0.89519 2.06704,1.34278 3.32031,1.34277 1.43227,10e-6 2.64484,-0.57779 3.63769,-1.73339 0.99282,-1.17187 1.48924,-2.92968 1.48926,-5.27344 -2e-5,-2.19725 -0.49644,-3.84113 -1.48926,-4.93164 -0.97658,-1.10676 -2.25424,-1.66014 -3.833,-1.66016 -1.96942,2e-5 -3.73537,0.87079 -5.29786,2.61231 l -5.5664,-0.80567 3.51562,-18.62793 18.13965,0 0,6.4209 -12.93945,0 -1.07422,6.0791 c 1.52994,-0.76495 3.09243,-1.14743 4.6875,-1.14746 3.0436,3e-5 5.62335,1.1068 7.73926,3.32031 2.11586,2.21356 3.1738,5.08628 3.17383,8.61817 -3e-5,2.94597 -0.85452,5.57455 -2.56348,7.88574 -2.3275,3.15755 -5.55829,4.73633 -9.69238,4.73633 -3.30405,0 -5.99773,-0.88705 -8.08106,-2.66113 -2.08334,-1.77409 -3.32845,-4.15853 -3.73535,-7.15332"/>
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 436.14076,273.56844 -6.64063,0.73242 c -0.16278,-1.36716 -0.58595,-2.37627 -1.26953,-3.02735 -0.68361,-0.65101 -1.57065,-0.97653 -2.66113,-0.97656 -1.44858,3e-5 -2.67742,0.65107 -3.68652,1.95313 -0.99285,1.30211 -1.61948,4.01207 -1.87989,8.12988 1.70898,-2.01821 3.833,-3.02732 6.37207,-3.02734 2.86457,2e-5 5.31411,1.09051 7.34864,3.27148 2.05075,2.18101 3.07614,4.99676 3.07617,8.44727 -3e-5,3.66211 -1.07425,6.59994 -3.22266,8.81347 -2.14846,2.21354 -4.90724,3.32031 -8.27637,3.32032 -3.61329,-10e-6 -6.58366,-1.39974 -8.91113,-4.19922 -2.32748,-2.81575 -3.49121,-7.42187 -3.49121,-13.81836 0,-6.55922 1.21256,-11.28741 3.6377,-14.18457 2.42512,-2.8971 5.57453,-4.34567 9.44824,-4.34571 2.71808,4e-5 4.96417,0.76501 6.73828,2.29493 1.79034,1.5137 2.92966,3.7191 3.41797,6.61621 M 420.589,288.53426 c -10e-6,2.22982 0.51269,3.95508 1.53809,5.17578 1.02537,1.20443 2.19725,1.80664 3.51562,1.80664 1.26952,0 2.32746,-0.49641 3.17383,-1.48926 0.84633,-0.99283 1.26951,-2.62043 1.26953,-4.88281 -2e-5,-2.32746 -0.45575,-4.02831 -1.36719,-5.10254 -0.91147,-1.09048 -2.05079,-1.63572 -3.41797,-1.63574 -1.31837,2e-5 -2.43328,0.52085 -3.34472,1.5625 -0.91147,1.0254 -1.3672,2.54721 -1.36719,4.56543"/>
  <path style="fill: rgb(255, 255, 255); fill-opacity: 1;" d="m 289.15373,345.24474 0,-6.37207 23.46191,0 0,4.98047 c -1.93687,1.90432 -3.90627,4.63869 -5.9082,8.20312 -2.00197,3.56447 -3.53192,7.35679 -4.58984,11.37695 -1.04169,4.00392 -1.55438,7.58464 -1.53809,10.74219 l -6.61621,0 c 0.11392,-4.94791 1.13118,-9.99348 3.05176,-15.13672 1.93683,-5.14321 4.51658,-9.74118 7.73925,-13.79394 l -15.60058,0"/>
  </g>


<!-- Permutation arrows: -->

    <g
       id="g4673">
      <path
         d="M 570.35513,482.93714 491.76805,347.66796"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path282-3" />
      <path
         d="m 582.66886,459.22516 11.07928,63.87293 -49.82006,-41.47893 c 16.30082,1.80475 31.91963,-7.28842 38.74069,-22.39404 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path284-1" />
      <path
         d="m 474.6039,376.38078 c 5.04653,93.6875 -38.05409,136.19001 -89.58693,155.38324"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path286-8" />
      <path
         d="m 451.1232,391.42888 24.4517,-60.03838 20.26932,61.57666 c -12.86746,-10.16861 -30.93161,-10.73382 -44.72101,-1.53818 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path288-9" />
      <path
         d="m 159.87094,591.05968 -48.0547,-43.51151 64.7957,2.01357 c -13.9563,8.61363 -20.6658,25.39503 -16.7409,41.4979 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path290-6" />
      <path
         d="m 569.67264,551.25471 c -186.8938,73.57995 -315.0993,53.86831 -431.7668,7.41408"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path292-4" />
      <path
         d="M 324.98207,145.71993 241.18658,290.74237"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path294-3" />
      <path
         d="m 292.68192,157.15403 49.77598,-41.53131 -11.01181,63.8848 c -6.58742,-15.01925 -22.27169,-23.99889 -38.76413,-22.35334 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path296-3" />
      <path
         d="m 270.64288,345.9006 51.52645,29.50623"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path298-3" />
      <path
         d="m 279.11885,376.6808 -41.53131,-49.77597 63.8848,11.0118 c -15.01925,6.58742 -23.99889,22.2717 -22.35334,38.76414 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path300-8" />
      <path
         d="M 305.29295,416.93398 128.43278,519.26561"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path302-6" />
      <path
         d="m 274.81988,409.12755 63.87292,-11.07919 -41.47891,49.81997 c 1.80476,-16.30077 -7.2884,-31.9195 -22.39405,-38.74064 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path304-0" />
      <path
         d="m 372.59714,502.80754 c 36.39,-48.27667 32.29954,-149.51707 -14.15469,-368.7387"
         style="opacity:1;color:#000000;fill:none;stroke:#ff0000;stroke-width:12;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
         id="path306-4" />
      <path
         d="m 407.79502,486.4423 -47.53421,44.07961 7.65323,-64.37368 c 7.3645,14.65393 23.49728,22.80051 39.88095,20.29398 z"
         style="font-size:12px;opacity:1;fill:#ff0000;fill-opacity:1;fill-rule:evenodd;stroke-width:0.62500000000000000;stroke-linejoin:round;display:inline"
         id="path308-8" />
    </g>



</svg>
