n: 30 m: 442 packed: 10 density: 0 nodes: 0 solveTime: 45320 buildTime: 120 solved: true
{0,10,23}
{1,7,11}
{2,8,17}
{3,14,20}
{4,9,12}
{5,6,13}
{15,18,26}
{16,27,29}
{19,24,25}
{21,22,28}