Add cube scoring positions and front/back mode

Change-Id: Ifbe5785e2a502e0af2456dc4971c57fc069ba2db
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/y2023/control_loops/python/graph_tools.py b/y2023/control_loops/python/graph_tools.py
index 5033ccf..ac926aa 100644
--- a/y2023/control_loops/python/graph_tools.py
+++ b/y2023/control_loops/python/graph_tools.py
@@ -180,11 +180,11 @@
 # The limit for the proximal and distal is relative,
 # so define constraints for this delta.
 UPPER_DELTA_LIMIT = 0.0
-LOWER_DELTA_LIMIT = -1.9 * np.pi
+LOWER_DELTA_LIMIT = -1.98 * np.pi
 
 # TODO(milind): put actual proximal limits
-UPPER_PROXIMAL_LIMIT = np.pi * 1.5
-LOWER_PROXIMAL_LIMIT = -np.pi
+UPPER_PROXIMAL_LIMIT = np.pi * 2.0
+LOWER_PROXIMAL_LIMIT = -np.pi * 2.0
 
 UPPER_DISTAL_LIMIT = 0.75 * np.pi
 LOWER_DISTAL_LIMIT = -0.75 * np.pi