C111113331333132322331333133313331333133313113313331333133112111111211312321   >>    C11111333133313232233133313331333133313331311331333133313311211111121131232   <<    C111113331333132322331333133313331333133313113313331333133112111111211312323   >>      C111113331333132322331333133313331333133313113313331333133112111111211312322   >>