C11111211113313112113313331333133313331333132313331333133313331323322332311   >>    C1111121111331311211331333133313331333133313231333133313331333132332233231   <<    C11111211113313112113313331333133313331333132313331333133313331323322332313   >>      C11111211113313112113313331333133313331333132313331333133313331323322332312   >>