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     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHhJREFUOI1jYaAyYIExklrXNlBi0Lzq4Aa4gUmtaxvYeCXqWfnEyDLs96dXDEmtaxnmVQc3wF3IyifGwCWuQpaB3xgYGH59fsEAdyE1waiBowaOGjjMDPz96RXDNzIN+f3pFaqB86qDG5Ja18KLIHIASgGLLEApAAAfviKZly507wAAAABJRU5ErkJggg==",
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     "values": [
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    {
     "label": "mid shelf margin",
     "url": "a69b44c1b31e2329d0678e969bf8e8e6",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHBJREFUOI1jYaAyYIExDs5d20CJQfbJwQ1wAw/OXdsgyCZez88hQpZhH3+8YTg4dy2DfXJwA9yF/BwiDNK8ymS78P2vlwxwF1ITjBo4auCogcPMwI8/3pBtCLJeFgYGSOF4cO5aeBFEDkApYJEFKAUA99cgN34gYj8AAAAASUVORK5CYII=",
     "contentType": "image/png",
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     "values": [
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    },
    {
     "label": "mid shelf plain",
     "url": "e60ed02c51b1ef36c16f0bfa8cc5d97e",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHhJREFUOI1jYaAyYIExlm+f3UCJQZGeqQ1wA5dvn93AI8JezyXERpZh3979Yli+fTZDpGdqA9yFXEJsDCLy3GQZ+IaBgeHLm58McBdSE4waOGrgqIHDzMBv734xvCHTkG/vfqEaGOmZ2rB8+2x4EUQOQClgkQUoBQC5siIkcS62ZAAAAABJRU5ErkJggg==",
     "contentType": "image/png",
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     "values": [
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    },
    {
     "label": "mound",
     "url": "07e6757f4829331ceecedb382e69462a",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHBJREFUOI1jYaAyYIExju+f20CJQZaOyQ1wA4/vn9vAL8RWz8fPTpZhnz7+ZDi+fy6DpWNyA9yFfPzsDBLSPGS78OO7XwxwF1ITjBo4auCogcPMwE8ff5JtCLJeFgYGSOF4fP9ceBFEDkApYJEFKAUAG2MgIY6QbskAAAAASUVORK5CYII=",
     "contentType": "image/png",
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     "values": [
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    },
    {
     "label": "outer shelf",
     "url": "b3be2f77cbcc346e135af61c0e524fb0",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHBJREFUOI1jYaAyYIExJm5Y3ECJQfkBsQ1wAyduWNzAJcZRzyXCQZZh3978YJi4YTFDfkBsA9yFXCIcDIJK/GS78NurHwxwF1ITjBo4auCogcPMwG9vfpBtCLJeFgYGSOE4ccNieBFEDkApYJEFKAUA5XggYEtew78AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "height": 20,
     "width": 20,
     "values": [
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    },
    {
     "label": "parabolic ridge",
     "url": "704c8738a9481dc1c67425611ad753b4",
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     "contentType": "image/png",
     "height": 20,
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     "values": [
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    },
    {
     "label": "ridge",
     "url": "bcc995e615489a614996dc14de49b285",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAAAXNSR0IB2cksfwAAAAlwSFlzAAAOxAAADsQBlSsOGwAAAHBJREFUOI1jYaAyYIExDi+f2ECJQbaR+Q1wAw8vn9ggyMVVz8fFRZZhn759Yzi8fCKDbWR+A9yFfFxcDFKCgmS78P23bwxwF1ITjBo4auCogcPMwE/Q0oIcgKyXhYEBUjgeXj4RXgSRA1AKWGQBSgEAL2EgSkF+aL0AAAAASUVORK5CYII=",
     "contentType": "image/png",
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     "width": 20,
     "values": [
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    }
   ]
  }
 ]
}