/usr/share/matplotlib/mpl-data/stylelib/seaborn-deep.mplstyle is in python-matplotlib-data 1.5.1-1ubuntu1.
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1 2 | # Seaborn deep palette
axes.prop_cycle: cycler('color', ['4C72B0', '55A868', 'C44E52', '8172B2', 'CCB974', '64B5CD'])
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