n: 30 m: 447 packed: 10 density: 0 nodes: 0 solveTime: 34950 buildTime: 110 solved: true
{0,1,21}
{2,25,27}
{3,13,19}
{4,7,29}
{5,8,16}
{6,12,28}
{9,10,20}
{11,23,24}
{14,17,26}
{15,18,22}