n: 30 m: 544 packed: 10 density: 0 nodes: 0 solveTime: 29410 buildTime: 170 solved: true
{0,3,9}
{1,23,29}
{2,4,8}
{5,11,13}
{6,17,25}
{7,19,21}
{10,22,26}
{12,14,16}
{15,18,24}
{20,27,28}