n: 50 m: 247 packed: 16 density: 0 nodes: 0 solveTime: 660 buildTime: 40 solved: true
{0,20,21}
{1,8,17}
{2,3,16}
{4,5,22}
{6,19,29}
{7,9,15}
{10,41,46}
{11,39,45}
{12,42,49}
{13,33,37}
{14,23,27}
{24,31,32}
{25,30,36}
{28,35,43}
{34,38,40}
{44,47,48}