n: 50 m: 220 packed: 16 density: 0 nodes: 0 solveTime: 880 buildTime: 30 solved: true
{0,10,18}
{1,23,31}
{2,16,41}
{3,9,42}
{4,19,22}
{5,11,29}
{6,21,30}
{7,24,26}
{8,15,40}
{13,27,32}
{14,17,49}
{20,35,43}
{25,37,39}
{28,33,38}
{34,45,48}
{36,44,46}