T
a,b,c,d = 1,2,4,3 b=2a c=b+2 d=c-1 7*2=14 14+2=16 16-1=15
10,8,7,14,15 = a,b,c,d,ea=10b=a-2c=b-1d=c*2e=d+115-2=1313-1=1212*2=2424+1=2525-2=23
C
poihugyftdrsykdtulfiyg8ypt7r6leu5kyjasrkdtou
The whole sequence (pq) = pb + 8. b is the midpoint so pb = 1/2pq, making pb = 8 and bq also 8 cm
a,b,c,d = 1,2,4,3 b=2a c=b+2 d=c-1 7*2=14 14+2=16 16-1=15
f
B
the next letter would be 'b'
CRC CBO and COL
Q
i
c
I,V
10,8,7,14,15 = a,b,c,d,ea=10b=a-2c=b-1d=c*2e=d+115-2=1313-1=1212*2=2424+1=2525-2=23
d
m