C11111211113313112113313331333133313331312322121111133313331322222331   >>    C1111121111331311211331333133313331333131232212111113331333132222233   <<    C11111211113313112113313331333133313331312322121111133313331322222333   >>      C11111211113313112113313331333133313331312322121111133313331322222332   >>