b_1 = 1:1, 2:185
b_2 = 3:-1, 4:1
b_3 = 4:-1, 5:1
b_4 = 5:-1, 6:1
b_5 = 6:-1, 7:1
b_6 = 7:-1, 8:1
b_7 = 8:-1, 9:1
b_8 = 9:-1, 10:1
b_9 = 10:-1, 11:1
b_10 = 11:-1, 12:1
b_11 = 12:-1, 13:1
b_12 = 13:-1, 14:1
b_13 = 14:-1, 15:1
b_14 = 15:-1, 16:1
b_15 = 16:-1, 17:1
b_16 = 17:-1, 18:1
b_17 = 18:-1, 19:1
b_18 = 19:-1, 20:1
b_19 = 20:-1, 21:1
b_20 = 21:-1, 22:1
b_21 = 22:-1, 23:1
b_22 = 23:-1, 24:1
b_23 = 24:94, 25:1
b_24 = 24:-46, 26:1