{ 1 | 0 } ∼ { 0 | 1 } = 1 2 ε {\displaystyle \{1|0\}\sim \{0|1\}={\frac {1}{2}}\varepsilon }
{ 2 | 1 } ∼ { 1 | 2 } = 1 1 2 ε {\displaystyle \{2|1\}\sim \{1|2\}=1{\frac {1}{2}}\varepsilon }
1 2 ε + 1 1 2 ε = 2 ε {\displaystyle {\frac {1}{2}}\varepsilon +1{\frac {1}{2}}\varepsilon =2\varepsilon }
{ 2 | 0 } ∼ { 1 | 1 } = 1 ∗ ε {\displaystyle \{2|0\}\sim \{1|1\}=1*\varepsilon }
