C11111211113313112113313331333133313331312322121111133313331311331333132322111   >>    C1111121111331311211331333133313331333131232212111113331333131133133313232211   <<    C11111211113313112113313331333133313331312322121111133313331311331333132322113   >>      C11111211113313112113313331333133313331312322121111133313331311331333132322112   >>