n: 50 m: 555 packed: 16 density: 0 nodes: 0 solveTime: 36790 buildTime: 180 solved: true
{0,28,29}
{1,11,12}
{2,10,31}
{3,39,42}
{4,41,47}
{5,15,45}
{6,26,43}
{7,19,24}
{8,37,44}
{9,34,40}
{13,35,46}
{14,21,25}
{16,23,33}
{17,36,49}
{18,20,22}
{27,32,38}