n: 40 m: 618 packed: 13 density: 0 nodes: 0 solveTime: 71440 buildTime: 220 solved: true
{0,5,6}
{1,7,34}
{2,3,10}
{4,8,29}
{11,24,25}
{12,37,39}
{13,17,22}
{14,20,21}
{15,28,36}
{16,27,32}
{18,26,33}
{19,31,35}
{23,30,38}