C111112111133131121133133313331333133313331323133313331333133112111133132231221   >>    C11111211113313112113313331333133313331333132313331333133313311211113313223122   <<    C111112111133131121133133313331333133313331323133313331333133112111133132231223   >>      C111112111133131121133133313331333133313331323133313331333133112111133132231222   >>