C111123313121111121111331333133313231323132322331333131232322332311   >>    C11112331312111112111133133313331323132313232233133313123232233231   <<    C111123313121111121111331333133313231323132322331333131232322332313   >>      C111123313121111121111331333133313231323132322331333131232322332312   >>