C12121321333132233131333131133131211113313113313113313231323132322321   >>    C1212132133313223313133313113313121111331311331311331323132313232232   <<    C12121321333132233131333131133131211113313113313113313231323132322323   >>      C12121321333132233131333131133131211113313113313113313231323132322322   >>