n: 30 m: 272 packed: 10 density: 0 nodes: 0 solveTime: 1470 buildTime: 40 solved: true
{0,5,26}
{1,11,15}
{2,27,28}
{3,10,16}
{4,9,18}
{6,14,29}
{7,8,25}
{12,19,20}
{13,22,23}
{17,21,24}