C21321133133313121211113313331323133313231333132233132313331323211123221   >>    C2132113313331312121111331333132313331323133313223313231333132321112322   <<    C21321133133313121211113313331323133313231333132233132313331323211123223   >>      C21321133133313121211113313331323133313231333132233132313331323211123222   >>