C1111133313331323223313331333133313331333131211113313331323121331   >>    C111113331333132322331333133313331333133313121111331333132312133   <<    C1111133313331323223313331333133313331333131211113313331323121333   >>      C1111133313331323223313331333133313331333131211113313331323121332   >>