1/4 1/8 1/16 1/32 |:{/q}pqp {/p}qpq|\ p/2p/2q/2q/2p/2p/2 q/2q/2p/2p/2q/2q/2|\ pqp {/p}qpq|\ p/2p/2q/2q/2p/2p/2 q/2q/2p/2p/2q/2q/2| \ pqp {/p}qpq|\ {/q}pqp {/p}qpq|\ p/2p/2q/2q/2p/2p/2 q/2q/2p/2p/2q/2q/2|\ p/2p/2q/2q/2p/2p/2 q/2q/2p/2p/2q/2q/2:| \ P: Variations \ |:[1 p/2p/2q/2q/2p/2p/2 q/2q/2p/2p/2q/2q/2:|\ |:[2 pq/2q/2p/2p/2 qp/2p/2q/2q/2:|\ |:[3 p/2p/2q/2q/2p q/2q/2p/2p/2q:| \ |:[4 p/2q/2p/2q/2p/2q/2 p/2q/2p/2q/2p/2q/2 :|\ |:[5 pq/2p/2q/2p/2 qp/2q/2p/2q/2:|\ |:[6 p/2q/2p/2q/2p q/2p/2q/2p/2q:| \ |:[7 !>!p/2q/2p/2q/2p/2q/2 !>!p/2q/2p/2q/2p/2q/2:|\ |:[8 p/2q/2!>!p/2q/2p/2q/2 p/2q/2!>!p/2q/2p/2q/2:|\ |:[9 p/2q/2p/2q/2!>!p/2q/2 p/2q/2p/2q/2!>!p/2q/2:| \ |:[10 !///!(p3 !///!p3|p):|\ |:[11 !//!(p2q) !//!(q2p):|\ |:[12 !//!(pp)!//!(q q)!//!(pp):| \ |:[12 !//!!>!(pp)!//!!>!(q q)!//!!>!(pp):|\ |:[13 !//!!>!(3(p!>!p)p!//!!>!(3(q !>!q)q!//!!>!(3(p!>!p)p:| \ |:[14 p2{qpp}q zy{pqq}p2|{qpp}q:|\ |:[15 p2 {qpq}p q2 {pqp}q|p:|