n: 50 m: 239 packed: 16 density: 0 nodes: 0 solveTime: 920 buildTime: 30 solved: true
{0,18,20}
{1,37,44}
{2,7,26}
{3,5,11}
{6,15,28}
{8,17,19}
{9,22,38}
{10,25,45}
{12,24,31}
{13,23,39}
{14,21,32}
{16,27,48}
{29,34,46}
{30,41,47}
{35,42,43}
{36,40,49}