C111123313121111121111331333133313331333133313331333133313331323213232223321   >>    C11112331312111112111133133313331333133313331333133313331333132321323222332   <<    C111123313121111121111331333133313331333133313331333133313331323213232223323   >>      C111123313121111121111331333133313331333133313331333133313331323213232223322   >>