n: 30 m: 447 packed: 10 density: 0 nodes: 0 solveTime: 12540 buildTime: 110 solved: true
{0,21,23}
{1,11,16}
{2,4,14}
{3,7,20}
{5,12,24}
{6,13,22}
{8,10,26}
{9,15,25}
{17,28,29}
{18,19,27}