step 1-bola 12 depeththata 6 6 dala kiranava. bara adu peththa uda ynava.
step 2-bara adu peththe bola 6 aragena eken 4k 2 2 depeththata dala kiranava. bara adu bolaya tiyenavanam epeththa udata ynava.
step 3- eta passe adu una peththe bola 2aragena depeththata dala bara adu eka hoya gannava...