C111123313121111121111331333133313331323232133313331333133313113313332232221   >>    C11112331312111112111133133313331333132323213331333133313331311331333223222   <<    C111123313121111121111331333133313331323232133313331333133313113313332232223   >>      C111123313121111121111331333133313331323232133313331333133313113313332232222   >>