n: 30 m: 518 packed: 10 density: 0 nodes: 0 solveTime: 48680 buildTime: 160 solved: true
{0,2,6}
{1,5,13}
{3,4,9}
{7,10,11}
{8,23,25}
{12,18,24}
{14,17,22}
{15,26,29}
{16,27,28}
{19,20,21}