Repeated series 1 & 2

abac

acac

acbc

abcc

abab

aacc

acac

babc

abcac

cccab

cabaa 

abcab

b a b a b

a a a b b

b b a a b

b b b a a

yxzyz

xyzzy

zxyzy

yzxyx

a b a b c a

a c a c a b

a b a b a c

a c b c a b

abbb

bacc

babc

bbcc

accbb

abcca

cacab

abacb

ttssrr

tsrtsr

strtrs

tstttr

c  a b a b

b a b c b

c a a a b

c a b a c