C1111133313331323223313331333133313331322331333132313223313331333133311212321   >>    C111113331333132322331333133313331333132233133313231322331333133313331121232   <<    C1111133313331323223313331333133313331322331333132313223313331333133311212323   >>      C1111133313331323223313331333133313331322331333132313223313331333133311212322   >>