C1111133313331323223313331333133313331323132232111133132233313231   >>    C111113331333132322331333133313331333132313223211113313223331323   <<    C1111133313331323223313331333133313331323132232111133132233313233   >>      C1111133313331323223313331333133313331323132232111133132233313232   >>