C111113331333132322331333133313331311331323133112111112111113211121   >>    C11111333133313232233133313331333131133132313311211111211111321112   <<    C111113331333132322331333133313331311331323133112111112111113211123   >>      C111113331333132322331333133313331311331323133112111112111113211122   >>