C12121321333132233131333131133131211113313113313113313231333131133132322113121   >>    C1212132133313223313133313113313121111331311331311331323133313113313232211312   <<    C12121321333132233131333131133131211113313113313113313231333131133132322113123   >>      C12121321333132233131333131133131211113313113313113313231333131133132322113122   >>