C1111133313331323223313331333133313331333131211113313331211113313331333121   >>    C111113331333132322331333133313331333133313121111331333121111331333133312   <<    C1111133313331323223313331333133313331333131211113313331211113313331333123   >>      C1111133313331323223313331333133313331333131211113313331211113313331333122   >>