C13332313311211113313331333131133133313232233132313113313232323321   >>    C1333231331121111331333133313113313331323223313231311331323232332   <<    C13332313311211113313331333131133133313232233132313113313232323323   >>      C13332313311211113313331333131133133313232233132313113313232323322   >>