n: 50 m: 143 packed: 16 density: 0 nodes: 0 solveTime: 210 buildTime: 20 solved: true
{0,17,31}
{1,10,37}
{2,11,18}
{3,25,34}
{4,26,32}
{5,30,45}
{6,16,35}
{7,36,44}
{8,41,43}
{9,13,39}
{12,46,47}
{14,15,19}
{20,23,48}
{21,28,33}
{27,29,42}
{38,40,49}