n: 30 m: 123 packed: 10 density: 0 nodes: 0 solveTime: 490 buildTime: 10 solved: true
{0,21,28}
{1,16,19}
{2,27,29}
{3,23,24}
{4,10,14}
{5,13,25}
{6,9,15}
{7,8,11}
{12,17,20}
{18,22,26}