n: 40 m: 724 packed: 13 density: 0 nodes: 0 solveTime: 44380 buildTime: 310 solved: true
{0,2,4}
{1,3,11}
{5,9,10}
{6,25,26}
{7,16,22}
{8,19,34}
{12,33,35}
{13,24,37}
{14,17,32}
{15,23,28}
{18,29,38}
{20,21,27}
{30,31,36}