n: 50 m: 131 packed: 16 density: 0 nodes: 0 solveTime: 1120 buildTime: 20 solved: true
{0,12,48}
{1,19,36}
{2,7,16}
{3,18,35}
{4,14,41}
{5,28,45}
{6,31,32}
{8,26,39}
{9,42,49}
{11,13,29}
{17,25,46}
{20,23,38}
{21,24,34}
{22,27,47}
{30,33,43}
{37,40,44}