C1111133313331323223313331333133313331333131211113313331211111133133313331221   >>    C111113331333132322331333133313331333133313121111331333121111113313331333122   <<    C1111133313331323223313331333133313331333131211113313331211111133133313331223   >>      C1111133313331323223313331333133313331333131211113313331211111133133313331222   >>