C12121321333132233131333131133131211113313113313113313231333131213111   >>    C1212132133313223313133313113313121111331311331311331323133313121311   <<    C12121321333132233131333131133131211113313113313113313231333131213113   >>      C12121321333132233131333131133131211113313113313113313231333131213112   >>