n: 30 m: 451 packed: 10 density: 0 nodes: 0 solveTime: 7590 buildTime: 120 solved: true
{0,4,28}
{1,18,29}
{2,25,27}
{3,6,19}
{5,15,16}
{7,14,20}
{8,17,26}
{9,22,24}
{10,21,23}
{11,12,13}