Pattern for 3E

i
v-t-l-t-c
compare to 3B:[AIV]-[DEKNTVY]-[FL]-[DHLNPST]-[CFIV]-

i+1
t-v-h-w-v
compare to 3B:[ADSQERV]-[FGILMV]-[EFHKLRTY]-[LW]-[EKLQRY]

k
R-R-L-L-L-R-S-V-Q
compare to 3B:[AFGLSW]-[DGHPST]-[IL]-[IKNQRTV]-[FILV]-[HKLPSTY]-[AHNPQS]-[ALV]-[DKQRST]

k+1
S-G-N-Y-S-C-Y
compare to 3B:[AEIKNQST]-[ADG]-[EFILST]-[FGY]-[EIKLNQTY]-[CLMV]-[ADEIKMSTV]