Level

S₁₁

S₁₂

S₁₃

S₁₄

S₂₁

S₂₂

S₂₃

S₂₄

S₃₁

S₃₂

S₃₃

S₃₄

S₄₁

S₄₂

S₄₃

S₄₄

+4

On

Off

Off

On

On

Off

Off

On

On

Off

Off

On

On

Off

Off

On

+3

On

Off

Off

On

On

Off

Off

On

On

Off

Off

On

On

Off

On

Off

+2

On

Off

Off

On

On

Off

Off

On

on

Off

On

Off

On

Off

On

Off

+1

On

Off

Off

On

On

Off

On

Off

On

Off

On

Off

On

Off

On

Off

0

On

Off

On

off

Off

On

Off

On

on

off

On

Off

Off

On

Off

On

-1

Off

On

On

Off

Off

On

Off

On

Off

On

Off

On

Off

On

Off

on

-2

Off

On

On

Off

Off

On

On

Off

Off

On

Off

On

Off

On

Off

On

-3

Off

On

on

Off

Off

On

On

Off

Off

On

On

Off

Off

On

Off

On

-4

off

on

on

off

off

on

on

off

off

on

on

off

off

on

on

off