C111113331333132322331333133313331311331323133112111111331311313231   >>    C11111333133313232233133313331333131133132313311211111133131131323   <<    C111113331333132322331333133313331311331323133112111111331311313233   >>      C111113331333132322331333133313331311331323133112111111331311313232   >>