n: 50 m: 407 packed: 16 density: 0 nodes: 0 solveTime: 9040 buildTime: 100 solved: true
{0,23,31}
{1,29,49}
{2,28,44}
{3,18,30}
{4,22,36}
{5,45,48}
{6,9,10}
{7,14,37}
{8,17,19}
{11,34,35}
{12,25,47}
{13,33,41}
{15,42,46}
{16,20,32}
{21,26,40}
{24,38,43}