n: 30 m: 146 packed: 10 density: 0 nodes: 0 solveTime: 170 buildTime: 10 solved: true
{0,18,28}
{1,5,8}
{2,10,11}
{3,23,25}
{4,6,29}
{7,13,20}
{9,16,24}
{12,14,19}
{15,22,27}
{17,21,26}