C1111133313331323223313331333133313113313223313331311331323133313123133211   >>    C111113331333132322331333133313331311331322331333131133132313331312313321   <<    C1111133313331323223313331333133313113313223313331311331323133313123133213   >>      C1111133313331323223313331333133313113313223313331311331323133313123133212   >>