ul li p7312019 3 5 2 Formation 4p p16p li li p7312019 3 5 2 Formation 4p p26p li li p7312019 3 5 2 Formation 4p p36p li li p7312019 3 5 2 Formation 4p p46p li li p7312019 3 5 2 Formation 4p p56p li li p7312019 3 5 2 Formation 4p p66p li ul