Table 2

All possible combinations of signs of Δ₀, Δ₁ and Δ

Combination	Δ₀	Δ₁	Δ	Combination	Δ₀	Δ₁	Δ
1	>0	>0	>0	15	<0	<0	<0
2	>0	>0	=0	16	<0	<0	=0
3	>0	>0	<0	17	<0	<0	>0
4	>0	=0	>0	18	<0	=0	<0
5	>0	=0	=0	19	<0	=0	=0
6	>0	=0	<0	20	<0	=0	>0
7	>0	<0	>0	21	<0	>0	<0
8	>0	<0	=0	22	<0	>0	=0
9	>0	<0	<0	23	<0	>0	>0
10	=0	>0	>0	24	=0	<0	<0
11	=0	>0	=0	25	=0	<0	=0
12	=0	>0	<0	26	=0	<0	>0
13	=0	=0	>0	27	=0	=0	<0
14	=0	=0	=0