C312312111111331312111133133313331333131331123313331323232131131   >>    C31231211111133131211113313331333133313133112331333132323213113   <<    C312312111111331312111133133313331333131331123313331323232131133   >>      C312312111111331312111133133313331333131331123313331323232131132   >>