\ / [------) 00 x x
\ / [ } 0 0 x x
\ / [ } 0 0 x x
\ [----] 0 0 x
/ \ [ } 0 0 x x
/ \ [ } 0 0 x x
/ \ [------} 00 x x
FFFFFFF 00 RRRRR
F 0 0 R R
F 0 0 R R
FFF 0 0 R R
F 0 0 R R
F 00 R R
EEEEEE V V EEEEEEEEEE RRRRRRRR
E V V E R R
E V V E R R
EEEEE V V EEEEEEE RRRRRRR
E V V E R R
E V V E R R
EEEEEE V EEEEEEEEEE R RRRRRRRRRRRR
fun?