line 1
line 2
line 3
line 4
colour 1a
colour 1b
colour 1c
colour 1d
colour 2a
colour 2b
colour 2c
colour 2d
colour 3a
colour 3b
colour 3c
colour 3d
colour 4a
colour 4b
colour 4c
colour 4d
line 1
line 2
line 3
line 4
colour 1a
colour 1b
colour 1c
colour 1d
colour 2a
colour 2b
colour 2c
colour 2d
colour 3a
colour 3b
colour 3c
colour 3d
colour 4a
colour 4b
colour 4c
colour 4d