#include burd // ColorBrewer RdBu-9 reversed color p1 "33 102 172" color p2 "67 147 195" color p3 "146 197 222" color p4 "209 229 240" color p5 "247 247 247" color p6 "253 219 199" color p7 "244 165 130" color p8 "214 96 77" color p9 "178 24 43"