n: 30 m: 506 packed: 10 density: 0 nodes: 0 solveTime: 18030 buildTime: 150 solved: true
{0,13,25}
{1,11,26}
{2,17,21}
{3,6,22}
{4,9,23}
{5,7,10}
{8,12,29}
{14,20,28}
{15,16,19}
{18,24,27}