1	1	a	1	1	a
2	2	b	\N	\N	\N
1	1	a	1	1	a
2	2	b	\N	\N	\N
1	1	a	1	1	a
1	1	a	1	1	a
2	2	b	\N	\N	\N
1	1	a	1	1	a
2	2	b	\N	\N	\N