n: 30 m: 272 packed: 10 density: 0 nodes: 0 solveTime: 1540 buildTime: 50 solved: true
{0,9,19}
{1,11,28}
{2,5,20}
{3,14,17}
{4,16,27}
{6,8,13}
{7,10,21}
{12,23,29}
{15,18,24}
{22,25,26}