n: 50 m: 557 packed: 16 density: 0 nodes: 0 solveTime: 47850 buildTime: 180 solved: true
{0,11,21}
{1,14,19}
{2,5,24}
{3,7,8}
{6,10,49}
{12,44,45}
{13,17,20}
{15,16,28}
{18,23,43}
{22,30,42}
{25,26,33}
{27,47,48}
{29,32,34}
{31,40,41}
{35,36,46}
{37,38,39}