C21321133133313121211113313331323133313231333132233132313331323131133321   >>    C2132113313331312121111331333132313331323133313223313231333132313113332   <<    C21321133133313121211113313331323133313231333132233132313331323131133323   >>      C21321133133313121211113313331323133313231333132233132313331323131133322   >>