D MEDIAL
D INITIAL
D INITIAL 2
D FINAL
_D MEDIAL 2
CH INITIAL
CH INITIAL 3
CH INITIAL 2
CH FINAL
_CH MEDIAL
_CH MEDIAL 2
B MEDIAL
B MEDIAL 3
B MEDIAL 2
B INITIAL
B INITIAL 3
B INITIAL 2
B FINAL
How big is your problem
UNDER_3
UNDER_2
UNDER_1
ON_3
ON_2
ON_1
INFRONT_3
INFRONT_2
INFRONT_1
BEHIND_3
BEHIND_2