n: 40 m: 127 packed: 13 density: 0 nodes: 0 solveTime: 610 buildTime: 10 solved: true
{0,19,23}
{1,2,25}
{3,15,24}
{4,32,34}
{5,16,21}
{6,27,29}
{7,10,18}
{8,30,37}
{9,31,35}
{11,13,20}
{14,33,39}
{17,36,38}
{22,26,28}