C111112111133131121133133313331333133313331323133313331333133312111113332321311   >>    C11111211113313112113313331333133313331333132313331333133313331211111333232131   <<    C111112111133131121133133313331333133313331323133313331333133312111113332321313   >>      C111112111133131121133133313331333133313331323133313331333133312111113332321312   >>