C1111133313331323223313331333133313231323132312111133131133131211111   >>    C111113331333132322331333133313331323132313231211113313113313121111   <<    C1111133313331323223313331333133313231323132312111133131133131211113   >>      C1111133313331323223313331333133313231323132312111133131133131211112   >>