n: 30 m: 248 packed: 10 density: 0 nodes: 0 solveTime: 1320 buildTime: 40 solved: true
{0,14,20}
{1,2,5}
{3,11,23}
{4,9,16}
{6,18,27}
{7,21,25}
{8,10,22}
{12,24,26}
{13,15,19}
{17,28,29}