n: 30 m: 306 packed: 10 density: 0 nodes: 0 solveTime: 2070 buildTime: 40 solved: true
{0,23,24}
{1,21,29}
{2,10,22}
{3,8,15}
{4,13,16}
{5,25,28}
{6,12,17}
{7,9,20}
{11,14,27}
{18,19,26}