n: 50 m: 466 packed: 16 density: 0 nodes: 0 solveTime: 13120 buildTime: 120 solved: true
{0,22,31}
{1,32,44}
{2,18,20}
{3,8,28}
{5,10,42}
{6,9,19}
{7,16,23}
{11,12,26}
{13,25,40}
{14,38,41}
{15,24,33}
{17,35,43}
{21,27,34}
{29,39,47}
{30,36,48}
{37,45,49}