fines_content = {
('SW','SP','GW','GP'):0.045,
('SW-SM','SW-SC','SP-SM','SP-SC'):0.115,
('SW-GM','SW-GC','SP-GM','SP-GC'):0.115,
('GW-SM','GW-SC','GP-SM','GP-SC'):0.115,
('GW-GM','GW-GC','GP-GM','GP-GC'):0.115,
('SM-SC','SC-SM'):0.25,
('GM-GC','GC-GM'):0.25,
('SM','GM'):0.3,
('SC','GC'):0.2,

('SW','SP','GW','GP'):0.045,
('SW-SM','SW-SC','SP-SM','SP-SC'):0.115,
('SW-GM','SW-GC','SP-GM','SP-GC'):0.115,
('GW-SM','GW-SC','GP-SM','GP-SC'):0.115,
('GW-GM','GW-GC','GP-GM','GP-GC'):0.115,
('SM-SC','SC-SM'):0.25,
('GM-GC','GC-GM'):0.25,
('SM','GM'):0.3,
('SC','GC'):0.2,
}

density_values = {
('SW','SP','GW','GP'):0.045,
('SW-SM','SW-SC','SP-SM','SP-SC'):0.115,
('SW-GM','SW-GC','SP-GM','SP-GC'):0.115,
('GW-SM','GW-SC','GP-SM','GP-SC'):0.115,
('GW-GM','GW-GC','GP-GM','GP-GC'):0.115,
('SM-SC','SC-SM'):0.25,
('GM-GC','GC-GM'):0.25,
('SM','GM'):0.3,
('SC','GC'):0.2,
}