4                                                                                                     
3  BABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
5                                                                                                     
2 BABABAAAAAAA           BABAAAABABAAAAAAA  BABBABAAAAAAA       BABAAAAAAA      BABAAAAAAABABAAAAAAA  
1   BABAAAAAAA                  BABAAAAAAA     BABAAAAAAA       BABAAAAAAA      BABAAAAAAA  BABAAAAAAA
T BABABAAAAAAAAAAAAAAAAAABABAAAABABAAAAAAAAABABBABAAAAAAAAAAAAAABABAAAAAAAAAAAAABABAAAAAAABABABAAAAAAA
91
91 90 89 88 87 86 85 83 81 79 78 77 76 75 74 73 71 69 68 67 66 65 64 63 62 61 60 59 58 57 55 53 52 51 50 49 48 47 46 45 44 43 42 41 40 38 35 33 32 31 30 29 28 27 26 25 23 21 20 19 18 16 14 13 12 11 10 9 8 7 6 5 4 3 2 1 3 24 31 43 45 46 63 79 89 3 31 46 63 79 91