C12121321333132233131333131133131211113313113313113313231333133313331322311   >>    C1212132133313223313133313113313121111331311331311331323133313331333132231   <<    C12121321333132233131333131133131211113313113313113313231333133313331322313   >>      C12121321333132233131333131133131211113313113313113313231333133313331322312   >>