n: 40 m: 591 packed: 13 density: 0 nodes: 0 solveTime: 22230 buildTime: 200 solved: true
{0,10,22}
{1,19,26}
{2,5,24}
{3,4,6}
{7,8,11}
{9,13,36}
{12,25,28}
{15,16,32}
{17,35,38}
{18,33,34}
{20,21,30}
{23,27,29}
{31,37,39}