| Class | The Corresponding Parameters | Phase Portrait in $\Sigma$ |
| 1 | $\gamma_{12} <0, \gamma_{13}<0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}<0$ | ![]() |
| 2 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 3 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ |
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| 4 | (ⅰ) $\gamma_{12}>0, \gamma_{13}<0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 5 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 6 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ |
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| 7 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}<0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 8 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}<0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 9 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 10 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 11 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2<0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 12 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2<0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 13 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}>0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 14 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 15 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 16 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 17 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2>0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 18 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}<0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2>0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 19 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}<0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ |
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| 20 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 21 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2<0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 22 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2>0$ |
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| 23 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}<0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 24 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 25 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2>0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 26 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2<0$ |
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| 27 | $\gamma_{12}>0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}<0$ | ![]() |
| 28 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 29 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}<0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 30 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}>0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 31 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}<0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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| 32 | (ⅰ) $\gamma_{12}<0, \gamma_{13}<0, \gamma_{21}<0, \gamma_{23}<0, \gamma_{31}<0, \gamma_{32}<0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1>0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2>0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3>0$ |
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| 33 | (ⅰ) $\gamma_{12}>0, \gamma_{13}>0, \gamma_{21}>0, \gamma_{23}>0, \gamma_{31}>0, \gamma_{32}>0$ (ⅱ) $b_{12}\beta_{23}+b_{13}\beta_{32}-r_1<0$ (ⅲ) $b_{21}\beta_{13}+b_{23}\beta_{31}-r_2<0$ (ⅳ) $b_{31}\beta_{12}+b_{32}\beta_{21}-r_3<0$ |
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