C11111333133313232233133313331333133112111112113313113313332112323321   >>    C1111133313331323223313331333133313311211111211331311331333211232332   <<    C11111333133313232233133313331333133112111112113313113313332112323323   >>      C11111333133313232233133313331333133112111112113313113313332112323322   >>