{p_0}

{p_1}

1. {p_2}
   {p_3}

2. {p_4}
   {p_5}

3. {p_6}
   {p_7}

{p_8}

{p_9}

• {p_10} {p_11}

• {p_12} {p_13}

• {p_14} {p_15}

• {p_16} {p_17}

{p_18}

{p_19}

{p_20}

{p_21}

{p_22}