C31231211111133131211113313331333133312111133133313331333133313231333132211331   >>    C3123121111113313121111331333133313331211113313331333133313331323133313221133   <<    C31231211111133131211113313331333133312111133133313331333133313231333132211333   >>      C31231211111133131211113313331333133312111133133313331333133313231333132211332   >>