n: 50 m: 460 packed: 16 density: 0 nodes: 0 solveTime: 13490 buildTime: 120 solved: true
{0,24,28}
{1,36,44}
{2,26,38}
{3,8,25}
{4,5,23}
{6,32,33}
{7,45,46}
{9,27,29}
{10,15,30}
{11,31,34}
{12,17,37}
{13,35,39}
{14,21,47}
{16,19,22}
{18,40,42}
{20,41,49}