C111123313121111121111331333133313331331121111133313331333133313331323113323221   >>    C11112331312111112111133133313331333133112111113331333133313331333132311332322   <<    C111123313121111121111331333133313331331121111133313331333133313331323113323223   >>      C111123313121111121111331333133313331331121111133313331333133313331323113323222   >>