C12121321333132233131333131133131211113313113313113313231333132311   >>    C1212132133313223313133313113313121111331311331311331323133313231   <<    C12121321333132233131333131133131211113313113313113313231333132313   >>      C12121321333132233131333131133131211113313113313113313231333132312   >>