Dhcp Reverse Lease

any idea how can i get ip from 2-3-4 and not 254-253-252?

You can try adding a static address or reducing size of the pool making multiple ones, see:
http://forum.mikrotik.com/t/dhcp-starting-ip-from-192-168-88-2/173733/1
http://forum.mikrotik.com/t/dhcp-starting-ip-from-192-168-88-2/173733/1
(last two posts here):
http://forum.mikrotik.com/t/router-os-assiging-dhcp-addresses-in-reverse-order/119476/1