C1111133313331323223313331333133313331323223331211111133131133131   >>    C111113331333132322331333133313331333132322333121111113313113313   <<    C1111133313331323223313331333133313331323223331211111133131133133   >>      C1111133313331323223313331333133313331323223331211111133131133132   >>