C111123313121111121111331333133313331323132333132322331312312321   >>    C11112331312111112111133133313331333132313233313232233131231232   <<    C111123313121111121111331333133313331323132333132322331312312323   >>      C111123313121111121111331333133313331323132333132322331312312322   >>