C111113331333132322331333133313331311331323133112111112111113213233231   >>    C11111333133313232233133313331333131133132313311211111211111321323323   <<    C111113331333132322331333133313331311331323133112111112111113213233233   >>      C111113331333132322331333133313331311331323133112111112111113213233232   >>