n: 30 m: 507 packed: 10 density: 0 nodes: 0 solveTime: 23030 buildTime: 160 solved: true
{0,14,29}
{1,18,23}
{2,9,27}
{3,10,11}
{4,7,8}
{5,6,19}
{12,16,28}
{13,20,25}
{15,21,26}
{17,22,24}