C11111211113313112113313331333133313331312322121111331333132223132323321   >>    C1111121111331311211331333133313331333131232212111133133313222313232332   <<    C11111211113313112113313331333133313331312322121111331333132223132323323   >>      C11111211113313112113313331333133313331312322121111331333132223132323322   >>