n: 30 m: 513 packed: 10 density: 0 nodes: 0 solveTime: 25370 buildTime: 150 solved: true
{0,18,23}
{1,20,21}
{2,12,22}
{3,7,19}
{4,9,16}
{5,13,25}
{6,27,28}
{8,10,11}
{14,24,29}
{15,17,26}