C11111333133313232233133313331333133313223313331323132233133331323321   >>    C1111133313331323223313331333133313331322331333132313223313333132332   <<    C11111333133313232233133313331333133313223313331323132233133331323323   >>      C11111333133313232233133313331333133313223313331323132233133331323322   >>