C132233133112121111331333133313331323132313233313331312111112312121   >>    C13223313311212111133133313331333132313231323331333131211111231212   <<    C132233133112121111331333133313331323132313233313331312111112312123   >>      C132233133112121111331333133313331323132313233313331312111112312122   >>