C111113331333132322331333133313331311331323133112111133131131213321   >>    C11111333133313232233133313331333131133132313311211113313113121332   <<    C111113331333132322331333133313331311331323133112111133131131213323   >>      C111113331333132322331333133313331311331323133112111133131131213322   >>