diff --git a/wk22-icon.svg b/wk22-icon.svg
index 1a7c4fa..1b1aacf 100644
--- a/wk22-icon.svg
+++ b/wk22-icon.svg
@@ -28,8 +28,8 @@
      fit-margin-right="0"
      fit-margin-bottom="0"
      inkscape:zoom="0.93859299"
-     inkscape:cx="524.18887"
-     inkscape:cy="433.09508"
+     inkscape:cx="523.65616"
+     inkscape:cy="433.09507"
      inkscape:window-width="3832"
      inkscape:window-height="2042"
      inkscape:window-x="3840"
@@ -58,21 +58,13 @@
      id="layer1"
      transform="translate(38.151157,6.9247675)">
     <rect
-       style="fill:#003000;fill-opacity:1;fill-rule:evenodd;stroke-width:4.25979;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke;stop-color:#000000"
+       style="fill:#001600;fill-opacity:1;fill-rule:evenodd;stroke-width:4.25979;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke;stop-color:#000000"
        id="rect1464"
        width="274.16013"
        height="274.16013"
        x="-38.151157"
        y="-6.9247675"
        ry="0.27519047" />
-    <rect
-       style="fill:#0000ff;fill-opacity:1;fill-rule:evenodd;stroke-width:4.25979;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke;stop-color:#000000"
-       id="rect2802"
-       width="30.408995"
-       height="19.335896"
-       x="98.555107"
-       y="132.50075"
-       ry="0.27519047" />
     <path
        id="path1401-9"
        d="m 98.023772,214.01618 h -0.0775 c -3.95292,0 -7.94179,-0.23353 -11.84617,-0.69761 l 4.95031,-41.6141 c 2.27382,0.27123 4.58871,0.40789 6.89586,0.40789 l 0.5329,0.005 -0.45638,17.84743 z"
@@ -148,20 +140,25 @@
        d="m 129.57855,118.62649 c -1.10483,-1.64325 -2.30462,-3.2454 -3.56846,-4.7656 L 158.2057,87.041013 c 2.18933,2.63018 4.26065,5.39117 6.1628,8.22898 z"
        style="display:inline;fill:#057248;stroke-width:1.38539"
        inkscape:connector-curvature="0" />
-    <g
-       id="g1422"
-       transform="matrix(1.11271,0,0,1.11271,-15.709801,-35.950017)">
-      <path
-         style="fill:#ffffff;stroke-width:0.264583;filter:url(#filter1416)"
-         d="m 106.73236,237.40502 c -1.12408,-0.59308 -2.01435,-2.16752 -2.02424,-3.57985 -0.004,-0.56785 2.75153,-6.35861 8.71862,-18.3224 l 8.72443,-17.49215 H 110.8365 c -12.246776,0 -12.910946,-0.0626 -15.707646,-1.47976 -2.80759,-1.42272 -5.31862,-4.76534 -6.00381,-7.99211 -0.41104,-1.93574 -0.41474,-34.65782 -0.004,-36.61875 0.6894,-3.2924 3.16339,-6.55066 6.10618,-8.04189 2.90855,-1.47387 1.88975,-1.42998 33.198006,-1.42998 20.15359,0 29.3277,0.0889 30.30534,0.29358 4.4448,0.93071 8.22613,4.71374 9.17415,9.17829 0.41457,1.95231 0.41457,34.66644 0,36.61875 -0.94802,4.46455 -4.72935,8.24758 -9.17415,9.17829 -0.89979,0.18841 -5.42283,0.29358 -12.62546,0.29358 h -11.22337 l 8.72286,17.49933 c 5.90252,11.84132 8.72285,17.7687 8.72285,18.33247 0,0.45824 -0.26789,1.36346 -0.59531,2.0116 -1.0313,2.04148 -3.53381,2.64316 -5.6224,1.35179 -0.65862,-0.40723 -2.21256,-3.35428 -9.12812,-17.31158 -4.58391,-9.25144 -8.39391,-16.82068 -8.46667,-16.82053 -0.0728,1.5e-4 -3.91313,7.61821 -8.53415,16.92901 l -8.40185,16.92873 -1.12315,0.50982 c -1.42593,0.64726 -2.44667,0.63733 -3.7233,-0.0362 z m 19.66991,-71.63496 c 2.76316,-1.47032 2.70005,-5.68634 -0.10505,-7.01744 -0.7786,-0.36947 -2.13265,-0.4295 -9.68866,-0.4295 -9.71322,0 -10.0133,0.0453 -11.18385,1.68627 -0.82196,1.15231 -0.82354,3.41043 -0.003,4.56046 1.17265,1.64394 1.39954,1.6781 11.1912,1.68475 8.13407,0.006 8.94393,-0.0346 9.78958,-0.48454 z m 59.19639,21.83416 -9.45885,-2.42275 v -14.95232 -14.95232 l 9.72344,-2.45483 c 5.34789,-1.35017 9.99607,-2.45069 10.32929,-2.44561 1.13462,0.0173 2.66878,1.02464 3.22704,2.11892 0.51725,1.01389 0.53273,1.52919 0.53273,17.73406 0,16.20488 -0.0155,16.72018 -0.53273,17.73407 -0.61431,1.20415 -2.15047,2.12216 -3.49163,2.08661 -0.47874,-0.0127 -5.12692,-1.11332 -10.32929,-2.44583 z"
-         id="path1179"
-         sodipodi:nodetypes="ssscssscsscsssscssssssscssscsssccccscccsssssss" />
-      <path
-         style="fill:#000000;stroke-width:0.264583"
-         d="m 106.73236,237.40502 c -1.12408,-0.59308 -2.01435,-2.16752 -2.02424,-3.57985 -0.004,-0.56785 2.75153,-6.35861 8.71862,-18.3224 l 8.72443,-17.49215 H 110.8365 c -12.246777,0 -12.910947,-0.0626 -15.707647,-1.47976 -2.807589,-1.42272 -5.318619,-4.76534 -6.003809,-7.99211 -0.41104,-1.93574 -0.41474,-34.65782 -0.004,-36.61875 0.6894,-3.2924 3.16339,-6.55066 6.106179,-8.04189 2.90855,-1.47387 1.88975,-1.42998 33.198007,-1.42998 20.15359,0 29.3277,0.0889 30.30534,0.29358 4.4448,0.93071 8.22613,4.71374 9.17415,9.17829 0.41457,1.95231 0.41457,34.66644 0,36.61875 -0.94802,4.46455 -4.72935,8.24758 -9.17415,9.17829 -0.89979,0.18841 -5.42283,0.29358 -12.62546,0.29358 h -11.22337 l 8.72286,17.49933 c 5.90252,11.84132 8.72285,17.7687 8.72285,18.33247 0,0.45824 -0.26789,1.36346 -0.59531,2.0116 -1.0313,2.04148 -3.53381,2.64316 -5.6224,1.35179 -0.65862,-0.40723 -2.21256,-3.35428 -9.12812,-17.31158 -4.58391,-9.25144 -8.39391,-16.82068 -8.46667,-16.82053 -0.0728,1.5e-4 -3.91313,7.61821 -8.53415,16.92901 l -8.40185,16.92873 -1.12315,0.50982 c -1.42593,0.64726 -2.44667,0.63733 -3.7233,-0.0362 z m 19.66991,-71.63496 c 2.76316,-1.47032 2.70005,-5.68634 -0.10505,-7.01744 -0.7786,-0.36947 -2.13265,-0.4295 -9.68866,-0.4295 -9.71322,0 -10.0133,0.0453 -11.18385,1.68627 -0.82196,1.15231 -0.82354,3.41043 -0.003,4.56046 1.17265,1.64394 1.39954,1.6781 11.1912,1.68475 8.13407,0.006 8.94393,-0.0346 9.78958,-0.48454 z m 59.19639,21.83416 -9.45885,-2.42275 v -14.95232 -14.95232 l 9.72344,-2.45483 c 5.34789,-1.35017 9.99607,-2.45069 10.32929,-2.44561 1.13462,0.0173 2.66878,1.02464 3.22704,2.11892 0.51725,1.01389 0.53273,1.52919 0.53273,17.73406 0,16.20488 -0.0155,16.72018 -0.53273,17.73407 -0.61431,1.20415 -2.15047,2.12216 -3.49163,2.08661 -0.47874,-0.0127 -5.12692,-1.11332 -10.32929,-2.44583 z"
-         id="path1396"
-         sodipodi:nodetypes="ssscssscsscsssscssssssscssscsssccccscccsssssss" />
-    </g>
+    <path
+       style="fill:#000000;stroke-width:0.264583;filter:url(#filter1416)"
+       d="m 106.73236,237.40502 c -1.12408,-0.59308 -2.01435,-2.16752 -2.02424,-3.57985 -0.004,-0.56785 2.75153,-6.35861 8.71862,-18.3224 l 8.72443,-17.49215 H 110.8365 c -12.246776,0 -12.910946,-0.0626 -15.707646,-1.47976 -2.80759,-1.42272 -5.31862,-4.76534 -6.00381,-7.99211 -0.41104,-1.93574 -0.41474,-34.65782 -0.004,-36.61875 0.6894,-3.2924 3.16339,-6.55066 6.10618,-8.04189 2.90855,-1.47387 1.88975,-1.42998 33.198006,-1.42998 20.15359,0 29.3277,0.0889 30.30534,0.29358 4.4448,0.93071 8.22613,4.71374 9.17415,9.17829 0.41457,1.95231 0.41457,34.66644 0,36.61875 -0.94802,4.46455 -4.72935,8.24758 -9.17415,9.17829 -0.89979,0.18841 -5.42283,0.29358 -12.62546,0.29358 h -11.22337 l 8.72286,17.49933 c 5.90252,11.84132 8.72285,17.7687 8.72285,18.33247 0,0.45824 -0.26789,1.36346 -0.59531,2.0116 -1.0313,2.04148 -3.53381,2.64316 -5.6224,1.35179 -0.65862,-0.40723 -2.21256,-3.35428 -9.12812,-17.31158 -4.58391,-9.25144 -8.39391,-16.82068 -8.46667,-16.82053 -0.0728,1.5e-4 -3.91313,7.61821 -8.53415,16.92901 l -8.40185,16.92873 -1.12315,0.50982 c -1.42593,0.64726 -2.44667,0.63733 -3.7233,-0.0362 z m 19.66991,-71.63496 c 2.76316,-1.47032 2.70005,-5.68634 -0.10505,-7.01744 -0.7786,-0.36947 -2.13265,-0.4295 -9.68866,-0.4295 -9.71322,0 -10.0133,0.0453 -11.18385,1.68627 -0.82196,1.15231 -0.82354,3.41043 -0.003,4.56046 1.17265,1.64394 1.39954,1.6781 11.1912,1.68475 8.13407,0.006 8.94393,-0.0346 9.78958,-0.48454 z m 59.19639,21.83416 -9.45885,-2.42275 v -14.95232 -14.95232 l 9.72344,-2.45483 c 5.34789,-1.35017 9.99607,-2.45069 10.32929,-2.44561 1.13462,0.0173 2.66878,1.02464 3.22704,2.11892 0.51725,1.01389 0.53273,1.52919 0.53273,17.73406 0,16.20488 -0.0155,16.72018 -0.53273,17.73407 -0.61431,1.20415 -2.15047,2.12216 -3.49163,2.08661 -0.47874,-0.0127 -5.12692,-1.11332 -10.32929,-2.44583 z"
+       id="path1179"
+       sodipodi:nodetypes="ssscssscsscsssscssssssscssscsssccccscccsssssss"
+       transform="matrix(1.2882102,0,0,1.2882102,-41.616552,-63.580429)" />
+    <rect
+       style="fill:#0000ff;fill-opacity:1;fill-rule:evenodd;stroke-width:4.25979;stroke-linecap:round;stroke-linejoin:round;paint-order:markers fill stroke;stop-color:#000000"
+       id="rect2802"
+       width="30.408995"
+       height="19.335896"
+       x="93.263443"
+       y="132.50075"
+       ry="0.27519047" />
+    <path
+       style="fill:#b3b3b3;stroke-width:0.340839"
+       d="m 95.877163,242.24714 c -1.448047,-0.76401 -2.594907,-2.79222 -2.607647,-4.6116 -0.005,-0.73151 3.544547,-8.19123 11.231414,-23.6031 l 11.2389,-22.53357 h -14.57567 c -15.776425,0 -16.632016,-0.0806 -20.234753,-1.90624 -3.616765,-1.83276 -6.851499,-6.13876 -7.734168,-10.29552 -0.529506,-2.49364 -0.534273,-44.64656 -0.0052,-47.17265 0.888092,-4.2413 4.075111,-8.43862 7.866042,-10.35964 3.746824,-1.89865 2.434395,-1.84211 42.766009,-1.84211 25.96206,0 37.78024,0.11452 39.03965,0.37819 5.72583,1.19895 10.59698,6.07229 11.81823,11.82356 0.53405,2.51499 0.53405,44.65767 0,47.17265 -1.22125,5.75128 -6.0924,10.62462 -11.81823,11.82357 -1.15912,0.24271 -6.98575,0.37819 -16.26425,0.37819 h -14.45806 l 11.23688,22.54282 c 7.60368,15.25411 11.23686,22.88982 11.23686,23.61607 0,0.59031 -0.3451,1.75642 -0.76688,2.59137 -1.32853,2.62985 -4.55229,3.40494 -7.24283,1.74138 -0.84845,-0.52459 -2.85025,-4.32101 -11.75894,-22.30095 -5.90504,-11.9178 -10.81312,-21.66857 -10.90685,-21.66838 -0.0938,2e-4 -5.04094,9.81386 -10.99378,21.80813 l -10.82335,21.80776 -1.44685,0.65675 c -1.836897,0.83381 -3.151827,0.82102 -4.796397,-0.0466 z m 25.338977,-92.28089 c 3.55953,-1.89408 3.47823,-7.3252 -0.13532,-9.03993 -1.00301,-0.47596 -2.74731,-0.55329 -12.48104,-0.55329 -12.512667,0 -12.899227,0.0584 -14.407144,2.17227 -1.05886,1.48442 -1.06089,4.39335 -0.004,5.87483 1.510617,2.11774 1.802897,2.16175 14.416624,2.17031 10.47839,0.008 11.52166,-0.0446 12.61103,-0.62419 z m 76.25739,28.12699 -12.18498,-3.12101 V 155.7105 136.44877 l 12.52583,-3.16234 c 6.88921,-1.7393 12.87704,-3.157 13.3063,-3.15046 1.46163,0.0223 3.43795,1.31995 4.15711,2.72961 0.66632,1.30611 0.68626,1.96992 0.68626,22.8452 0,20.87529 -0.02,21.53911 -0.68626,22.84521 -0.79137,1.5512 -2.77026,2.73379 -4.49796,2.68799 -0.61672,-0.0164 -6.60455,-1.43419 -13.3063,-3.15074 z"
+       id="path1396"
+       sodipodi:nodetypes="ssscssscsscsssscssssssscssscsssccccscccsssssss" />
     <path
        id="path1431-6"
        d="M 72.806192,108.78499 39.562035,83.277713 c 2.073935,-2.71225 4.31452,-5.33991 6.660132,-7.81632 l 30.452365,28.780997 c -1.3586,1.43815 -2.65837,2.96349 -3.86834,4.5426"