n: 21  m: 55 packed: 6 density: 85 nodes: 8854 solveTime:  407 buildTime:  52
<0,2,6>
<4,16,18>
<12,13,17>
<5,11,20>
<8,9,15>
<3,10,19>

3Cycles: 6
value:6[1]{6}