The imam sitting between the taslim and departing
أَخْبَرَنَا أَحْمَدُ بْنُ سُلَيْمَانَ، قَالَ حَدَّثَنَا عَمْرُو بْنُ عَوْنٍ، قَالَ حَدَّثَنَا أَبُو عَوَانَةَ، عَنْ هِلاَلٍ، عَنْ عَبْدِ الرَّحْمَنِ بْنِ أَبِي لَيْلَى، عَنِ الْبَرَاءِ بْنِ عَازِبٍ، قَالَ رَمَقْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم فِي صَلاَتِهِ فَوَجَدْتُ قِيَامَهُ وَرَكْعَتَهُ وَاعْتِدَالَهُ بَعْدَ الرَّكْعَةِ فَسَجْدَتَهُ فَجَلْسَتَهُ بَيْنَ السَّجْدَتَيْنِ فَسَجْدَتَهُ فَجَلْسَتَهُ بَيْنَ التَّسْلِيمِ وَالاِنْصِرَافِ قَرِيبًا مِنَ السَّوَاءِ .
It was narrated that Al-Bara' bin 'Azib said: "I watched the Messenger of Allah (ﷺ) when he prayed, and I noticed that his standing, his bowing, his standing up after bowing, his prostration, his sitting between the two prostrations and his sitting between the taslim and departing were almost the same in length."