C12121321333132233131333131133131211113313113313113313113313233122311   >>    C1212132133313223313133313113313121111331311331311331311331323312231   <<    C12121321333132233131333131133131211113313113313113313113313233122313   >>      C12121321333132233131333131133131211113313113313113313113313233122312   >>