n: 30 m: 222 packed: 10 density: 0 nodes: 0 solveTime: 840 buildTime: 40 solved: true
{0,12,13}
{1,4,7}
{2,8,19}
{3,14,16}
{5,10,15}
{6,21,28}
{9,11,24}
{17,22,26}
{18,23,29}
{20,25,27}