Check this map string. Lower the coal frequency value. Nothing changes. Also they are very small despite of max size value.
>>>eNpjZGBkUGKAAHsGBgcHDpbk/MQcCO+AAwhzJecXFKQW6eYXp
SILcyYXlaak6uZnoipOzUvNrdRNSixOXb1qlT0IMzA02HNkFuXno
ZvAWlySn4cqUlKUmloMcgZEtMGeu7QoMS+zNBddLwNjsevmTQ0tc
gwg/L+eQeH/fxAGsh4A1YEwA2MDRCVQDAqYJJLz80qK8nN0i1NLS
jLz0q0SSyuskjITizkM9IxNDYBAFl1Fbn5mcUlpUSqqMtbknMy0N
AYGBUcgdgLbxshYLbLO/WHVFHtGiG16DlDGB6jIgSSYiCeM4eeAU
0oFxjBBMscYDD4jMSCWlgCtgKricEAwIJItIElGxt63Wxd8P3bBD
iqaYg8VOWAHlGYHeYEJTsyaCQI7YV5hgJn5wB4qddOe8ewZEHhjz
8gK0iECIhwsgMQBb2YGRgE+IGtBD5BQkGGAOc0OZoyIA2MaGHyD+
eQxjHHZHt0fwICwARkuByJOgAiwhXCXMUKYDv0OjA7yMFlJhBKgf
iMGZDekIHx4EmbtYST70RyCGRHI/kATUXHAEg1cIAtT4MQLZrhrg
OF5gR3Gc5jvwMgMYoBUfQGKQXggGZhREFrAARzcMFlI2mCYz3htG
wBt9bwZ<<<