C22121333132313311211113313331333132233131133133313113313232233111   >>    C2212133313231331121111331333133313223313113313331311331323223311   <<    C22121333132313311211113313331333132233131133133313113313232233113   >>      C22121333132313311211113313331333132233131133133313113313232233112   >>