Hiisaade njaajeendi nokku leydi ndi mbaadi mum rewaani laawol
Hollit dimensiyonji e nder meeteeruuji
A B,
B C,
C D,
D A - dimensiyonji banngeeji nokku oo
U - nokku gonɗo e ŋorol ñaamo
Ngam hiisaade, porogaraam oo maa anndu nokku oo, njuuteendi mum anndaaka e njaajeendi diagonal.