C12121321333132233131333131133131211113313113313113313231333122331   >>    C1212132133313223313133313113313121111331311331311331323133312233   <<    C12121321333132233131333131133131211113313113313113313231333122333   >>      C12121321333132233131333131133131211113313113313113313231333122332   >>