C11111333133313232233133313331333133313331313331333133313331333133311212323321   >>    C1111133313331323223313331333133313331333131333133313331333133313331121232332   <<    C11111333133313232233133313331333133313331313331333133313331333133311212323323   >>      C11111333133313232233133313331333133313331313331333133313331333133311212323322   >>