Argentina: Tier 1 - 2012-13

Argentina: Tier 1 - 2012-13 - Earliest Hamiltonian win cycle
Unión de Santa Fe beat Boca Juniors 3-1 (A) on 3 Mar 2013
Boca Juniors beat Tigre 2-0 (H) on 13 Aug 2012
Tigre beat Godoy Cruz 2-0 (H) on 25 Nov 2012
Godoy Cruz beat San Martín 1-0 (H) on 15 Sep 2012
San Martín beat Quilmes 4-0 (H) on 23 Sep 2012
Quilmes beat River Plate 1-0 (H) on 21 Oct 2012
River Plate beat Arsenal 4-0 (A) on 30 Sep 2012
Arsenal beat Argentinos Juniors 2-1 (A) on 22 Feb 2013
Argentinos Juniors beat Estudiantes 2-1 (H) on 13 Nov 2012
Estudiantes beat Atlético Rafaela 3-1 (H) on 10 Nov 2012
Atlético Rafaela beat Colón 2-0 (H) on 27 Nov 2012
Colón beat Lanús 1-0 (H) on 4 Aug 2012
Lanús beat Newell's Old Boys 3-0 (A) on 17 Feb 2013
Newell's Old Boys beat San Lorenzo 1-0 (H) on 16 Sep 2012
San Lorenzo beat All Boys 4-0 (H) on 10 Nov 2012
All Boys beat Belgrano Córdoba 1-0 (H) on 20 Oct 2012
Belgrano Córdoba beat Racing Club 1-0 (H) on 9 Sep 2012
Racing Club beat Independiente 2-0 (H) on 19 Aug 2012
Independiente beat Vélez Sársfield 1-0 (A) on 16 Feb 2013
Vélez Sársfield beat Unión de Santa Fe 2-0 (H) on 2 Dec 2012

HWC: Thick arrows show the earliest chain of wins that passes through every team and returns to its start.