C1111233131211111211113313331333133313331333133313331323133313331311331213321   >>    C111123313121111121111331333133313331333133313331333132313331333131133121332   <<    C1111233131211111211113313331333133313331333133313331323133313331311331213323   >>      C1111233131211111211113313331333133313331333133313331323133313331311331213322   >>