n: 40 m: 463 packed: 13 density: 0 nodes: 0 solveTime: 10640 buildTime: 110 solved: true
{0,17,24}
{1,2,5}
{3,16,36}
{4,28,29}
{6,11,18}
{7,27,35}
{8,9,20}
{10,21,30}
{12,25,37}
{13,23,33}
{14,26,39}
{15,19,38}
{22,31,32}