n: 30 m: 122 packed: 10 density: 0 nodes: 0 solveTime: 120 buildTime: 20 solved: true
{0,17,25}
{1,5,14}
{2,21,27}
{3,22,29}
{4,13,28}
{6,9,26}
{7,8,11}
{10,15,24}
{12,16,23}
{18,19,20}