C111123313121111121111331333133313331333133313331333133313331311332212323221   >>    C11112331312111112111133133313331333133313331333133313331333131133221232322   <<    C111123313121111121111331333133313331333133313331333133313331311332212323223   >>      C111123313121111121111331333133313331333133313331333133313331311332212323222   >>