C11111211113313112113313331333133313331312322121111133313331333223332213222221   >>    C1111121111331311211331333133313331333131232212111113331333133322333221322222   <<    C11111211113313112113313331333133313331312322121111133313331333223332213222223   >>      C11111211113313112113313331333133313331312322121111133313331333223332213222222   >>