C11111211113313112113313331333133313331333131211113313331311331322331312312311   >>    C1111121111331311211331333133313331333133313121111331333131133132233131231231   <<    C11111211113313112113313331333133313331333131211113313331311331322331312312313   >>      C11111211113313112113313331333133313331333131211113313331311331322331312312312   >>