A,A,A,A,B,B,B,B with microtubule,with microtubule,without microtubule,without microtubule,with microtubule,with microtubule,without microtubule,without microtubule breaks,density,breaks,density,breaks,density,breaks,density 3.3,0.0202020202,3.3,0.0119355480,2,0.0266666670,2,0.0612691470 6.6,0.0501010101,6.6,0.0590146540,4,0.1293333330,4,0.1586433260 9.9,0.0735353535,9.9,0.0709502020,6,0.1000000000,6,0.1105032820 13.2,0.0606060606,13.2,0.0682978580,8,0.0893333330,8,0.0656455140 16.5,0.0452525253,16.5,0.0444267620,10,0.0760000000,10,0.0404814000 19.8,0.0202020202,19.8,0.0185664080,12,0.0386666670,12,0.0306345730 23.1,0.0121212121,23.1,0.0152509780,14,0.0173333330,14,0.0098468270 26.4,0.0105050505,26.4,0.0086201180,16,0.0120000000,16,0.0087527350 29.7,0.0040404040,29.7,0.0026523440,18,0.0066666670,18,0.0043763680 33,0.0016161616,33,0.0026523440,20,0.0013333330,20,0.0065645510 36.3,0.0024242424,36.3,0.0000000000,22,0.0013333330,22,0.0021881840 39.6,0.0000000000,39.6,0.0006630860,24,0.0000000000,24,0.0000000000 42.9,0.0008080808,42.9,0.0000000000,26,0.0000000000,26,0.0010940900 46.2,0.0016161616,46.2,0.0000000000,28,0.0013333330,28,0.0000000000 49.5,0.0000000000,49.5,0.0000000000,30,0.0000000000,30,0.0000000000