// cpt-city: gacruxa/sulz/sulz-21 (svg)
//
// Gradients based on integer sequences and traditional Japanese
// colours, by US-based digital artist Gacruxa.
//
// author: Gacruxa
// copyright: CC BY 3.0
// year: 2014
// url: https://phillips.shef.ac.uk/pub/cpt-city/gacruxa/sulz
#declare sulz_21 =
color_map {
  [0.00000 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.00537 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.01172 color rgbf <0.3529,0.4275,0.3176,0.0000>]
  [0.02344 color rgbf <0.3608,0.4314,0.3255,0.0000>]
  [0.03516 color rgbf <0.3647,0.4392,0.3294,0.0000>]
  [0.04688 color rgbf <0.3725,0.4471,0.3373,0.0000>]
  [0.05859 color rgbf <0.3725,0.4510,0.3373,0.0000>]
  [0.07031 color rgbf <0.3725,0.4510,0.3373,0.0000>]
  [0.08203 color rgbf <0.3647,0.4431,0.3294,0.0000>]
  [0.09375 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.09448 color rgbf <0.3255,0.3882,0.2902,0.0000>]
  [0.09521 color rgbf <0.2902,0.3333,0.2549,0.0000>]
  [0.09570 color rgbf <0.2588,0.2941,0.2235,0.0000>]
  [0.09644 color rgbf <0.2118,0.2314,0.1765,0.0000>]
  [0.09717 color rgbf <0.1647,0.1647,0.1294,0.0000>]
  [0.09790 color rgbf <0.1216,0.1059,0.0863,0.0000>]
  [0.09839 color rgbf <0.0980,0.0706,0.0627,0.0000>]
  [0.09912 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.11182 color rgbf <0.0510,0.0118,0.0157,0.0000>]
  [0.12476 color rgbf <0.0275,0.0000,0.0000,0.0000>]
  [0.13745 color rgbf <0.0078,0.0000,0.0000,0.0000>]
  [0.15015 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.16284 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.17578 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.18848 color rgbf <0.0235,0.0000,0.0000,0.0000>]
  [0.20117 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.20142 color rgbf <0.1216,0.0902,0.0902,0.0000>]
  [0.20190 color rgbf <0.2784,0.2510,0.2510,0.0000>]
  [0.20215 color rgbf <0.3765,0.3529,0.3529,0.0000>]
  [0.20264 color rgbf <0.5804,0.5647,0.5647,0.0000>]
  [0.20288 color rgbf <0.6824,0.6706,0.6706,0.0000>]
  [0.20312 color rgbf <0.7804,0.7725,0.7725,0.0000>]
  [0.20361 color rgbf <0.9373,0.9333,0.9333,0.0000>]
  [0.20386 color rgbf <0.9882,0.9882,0.9882,0.0000>]
  [0.21533 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.22656 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.23804 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.24927 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.26074 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.27197 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.28345 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.29468 color rgbf <0.9882,0.9882,0.9882,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.29468 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.30713 color rgbf <0.3255,0.4000,0.2863,0.0000>]
  [0.31958 color rgbf <0.3137,0.3922,0.2784,0.0000>]
  [0.33203 color rgbf <0.3176,0.4000,0.2824,0.0000>]
  [0.34448 color rgbf <0.3294,0.4118,0.2941,0.0000>]
  [0.35669 color rgbf <0.3451,0.4275,0.3098,0.0000>]
  [0.36914 color rgbf <0.3569,0.4392,0.3216,0.0000>]
  [0.38159 color rgbf <0.3608,0.4392,0.3255,0.0000>]
  [0.39404 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.39502 color rgbf <0.3294,0.3922,0.2941,0.0000>]
  [0.39600 color rgbf <0.2980,0.3490,0.2627,0.0000>]
  [0.39697 color rgbf <0.2588,0.2941,0.2235,0.0000>]
  [0.39819 color rgbf <0.2078,0.2235,0.1725,0.0000>]
  [0.39917 color rgbf <0.1647,0.1647,0.1294,0.0000>]
  [0.40015 color rgbf <0.1255,0.1098,0.0902,0.0000>]
  [0.40112 color rgbf <0.0941,0.0667,0.0588,0.0000>]
  [0.40210 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.40845 color rgbf <0.0549,0.0118,0.0196,0.0000>]
  [0.41455 color rgbf <0.0431,0.0000,0.0078,0.0000>]
  [0.42090 color rgbf <0.0392,0.0000,0.0039,0.0000>]
  [0.42700 color rgbf <0.0353,0.0000,0.0000,0.0000>]
  [0.43335 color rgbf <0.0392,0.0000,0.0039,0.0000>]
  [0.43945 color rgbf <0.0431,0.0000,0.0078,0.0000>]
  [0.44580 color rgbf <0.0549,0.0157,0.0196,0.0000>]
  [0.45190 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.45264 color rgbf <0.0980,0.0706,0.0627,0.0000>]
  [0.45337 color rgbf <0.1333,0.1255,0.0980,0.0000>]
  [0.45386 color rgbf <0.1647,0.1647,0.1294,0.0000>]
  [0.45459 color rgbf <0.2118,0.2314,0.1765,0.0000>]
  [0.45532 color rgbf <0.2588,0.2941,0.2235,0.0000>]
  [0.45605 color rgbf <0.3020,0.3529,0.2667,0.0000>]
  [0.45654 color rgbf <0.3255,0.3882,0.2902,0.0000>]
  [0.45727 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.46826 color rgbf <0.3686,0.4431,0.3333,0.0000>]
  [0.47925 color rgbf <0.3804,0.4588,0.3451,0.0000>]
  [0.49023 color rgbf <0.3843,0.4706,0.3490,0.0000>]
  [0.50147 color rgbf <0.3882,0.4706,0.3529,0.0000>]
  [0.51245 color rgbf <0.3843,0.4706,0.3490,0.0000>]
  [0.52344 color rgbf <0.3804,0.4588,0.3451,0.0000>]
  [0.53442 color rgbf <0.3686,0.4431,0.3333,0.0000>]
  [0.54541 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.54565 color rgbf <0.3373,0.4000,0.3020,0.0000>]
  [0.54614 color rgbf <0.2902,0.3333,0.2549,0.0000>]
  [0.54639 color rgbf <0.2588,0.2941,0.2235,0.0000>]
  [0.54688 color rgbf <0.1961,0.2078,0.1608,0.0000>]
  [0.54712 color rgbf <0.1647,0.1647,0.1294,0.0000>]
  [0.54736 color rgbf <0.1333,0.1255,0.0980,0.0000>]
  [0.54785 color rgbf <0.0863,0.0588,0.0510,0.0000>]
  [0.54810 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.55469 color rgbf <0.0549,0.0157,0.0196,0.0000>]
  [0.56128 color rgbf <0.0431,0.0000,0.0078,0.0000>]
  [0.56787 color rgbf <0.0392,0.0000,0.0039,0.0000>]
  [0.57446 color rgbf <0.0353,0.0000,0.0000,0.0000>]
  [0.58081 color rgbf <0.0392,0.0000,0.0039,0.0000>]
  [0.58740 color rgbf <0.0431,0.0000,0.0078,0.0000>]
  [0.59399 color rgbf <0.0549,0.0157,0.0196,0.0000>]
  [0.60059 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.60132 color rgbf <0.0980,0.0706,0.0627,0.0000>]
  [0.60205 color rgbf <0.1333,0.1255,0.0980,0.0000>]
  [0.60254 color rgbf <0.1647,0.1647,0.1294,0.0000>]
  [0.60327 color rgbf <0.2118,0.2314,0.1765,0.0000>]
  [0.60400 color rgbf <0.2588,0.2941,0.2235,0.0000>]
  [0.60474 color rgbf <0.3020,0.3529,0.2667,0.0000>]
  [0.60523 color rgbf <0.3255,0.3882,0.2902,0.0000>]
  [0.60596 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.61865 color rgbf <0.3608,0.4392,0.3255,0.0000>]
  [0.63159 color rgbf <0.3569,0.4392,0.3216,0.0000>]
  [0.64429 color rgbf <0.3451,0.4275,0.3098,0.0000>]
  [0.65698 color rgbf <0.3294,0.4118,0.2941,0.0000>]
  [0.66968 color rgbf <0.3176,0.4000,0.2824,0.0000>]
  [0.68262 color rgbf <0.3137,0.3922,0.2784,0.0000>]
  [0.69531 color rgbf <0.3255,0.4000,0.2863,0.0000>]
  [0.70801 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.70825 color rgbf <0.3882,0.4549,0.3569,0.0000>]
  [0.70874 color rgbf <0.4980,0.5529,0.4706,0.0000>]
  [0.70898 color rgbf <0.5647,0.6118,0.5412,0.0000>]
  [0.70947 color rgbf <0.7059,0.7373,0.6902,0.0000>]
  [0.70972 color rgbf <0.7765,0.8000,0.7647,0.0000>]
  [0.70996 color rgbf <0.8431,0.8588,0.8353,0.0000>]
  [0.71045 color rgbf <0.9529,0.9569,0.9490,0.0000>]
  [0.71069 color rgbf <0.9882,0.9882,0.9882,0.0000>]
  [0.72095 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.73144 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.74170 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.75220 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.76245 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.77270 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.78320 color rgbf <1.0000,1.0000,1.0000,0.0000>]
  [0.79346 color rgbf <0.9882,0.9882,0.9882,0.0000>]
  [0.79419 color rgbf <0.9020,0.8980,0.8980,0.0000>]
  [0.79492 color rgbf <0.7804,0.7725,0.7725,0.0000>]
  [0.79541 color rgbf <0.6824,0.6706,0.6706,0.0000>]
  [0.79614 color rgbf <0.5294,0.5137,0.5137,0.0000>]
  [0.79688 color rgbf <0.3765,0.3529,0.3529,0.0000>]
  [0.79761 color rgbf <0.2353,0.2078,0.2078,0.0000>]
  [0.79810 color rgbf <0.1569,0.1255,0.1255,0.0000>]
  [0.79883 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.81079 color rgbf <0.0235,0.0000,0.0000,0.0000>]
  [0.82300 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.83496 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.84717 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.85913 color rgbf <0.0078,0.0000,0.0000,0.0000>]
  [0.87109 color rgbf <0.0275,0.0000,0.0000,0.0000>]
  [0.88330 color rgbf <0.0510,0.0118,0.0157,0.0000>]
  [0.89526 color rgbf <0.0706,0.0353,0.0353,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.0000,0.0000,0.0000,0.0000>]
  [0.89526 color rgbf <0.3529,0.4235,0.3176,0.0000>]
  [0.90845 color rgbf <0.3647,0.4431,0.3294,0.0000>]
  [0.92139 color rgbf <0.3725,0.4510,0.3373,0.0000>]
  [0.93457 color rgbf <0.3725,0.4510,0.3373,0.0000>]
  [0.94775 color rgbf <0.3686,0.4471,0.3333,0.0000>]
  [0.96069 color rgbf <0.3647,0.4392,0.3294,0.0000>]
  [0.97388 color rgbf <0.3608,0.4314,0.3255,0.0000>]
  [0.97803 color rgbf <0.3569,0.4275,0.3216,0.0000>]
  [0.98682 color rgbf <0.3529,0.4275,0.3216,0.0000>]
  [1.00000 color rgbf <0.3529,0.4235,0.3176,0.0000>]
}