C21321133133313121211113313331323133313231333132233132313332233131   >>    C2132113313331312121111331333132313331323133313223313231333223313   <<    C21321133133313121211113313331323133313231333132233132313332233133   >>      C21321133133313121211113313331323133313231333132233132313332233132   >>