C111113331333132322331333133313331311331323133112111113232213221211   >>    C11111333133313232233133313331333131133132313311211111323221322121   <<    C111113331333132322331333133313331311331323133112111113232213221213   >>      C111113331333132322331333133313331311331323133112111113232213221212   >>