n: 30 m: 268 packed: 10 density: 0 nodes: 0 solveTime: 950 buildTime: 40 solved: true
{0,23,26}
{1,4,11}
{2,19,28}
{3,16,29}
{5,14,21}
{6,8,17}
{7,20,25}
{9,13,22}
{10,15,24}
{12,18,27}