S 3

S 3S 3S 3S 3
S 3S 3S 3S 3S 3S 3S 3S 3
S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3
S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3S 3
S 3S 3S 3S 3S 3S 3S 3S 3