n: 21  m: 91 packed: 7 density: 100 nodes: 257 solveTime:  81 buildTime:  64
<0,1,7>
<2,8,19>
<13,15,18>
<4,5,12>
<6,10,16>
<3,17,20>
<9,11,14>

3Cycles: 7
value:7[1]{7}