n: 50 m: 252 packed: 16 density: 0 nodes: 0 solveTime: 820 buildTime: 40 solved: true
{0,31,39}
{1,2,23}
{3,13,26}
{4,24,45}
{5,37,41}
{6,10,21}
{7,19,32}
{8,27,35}
{9,30,44}
{11,34,40}
{12,29,38}
{14,33,43}
{15,42,47}
{16,28,48}
{17,25,46}
{18,22,49}