C31231211111133131211113313331333133312111133133313331333133313232233133321   >>    C3123121111113313121111331333133313331211113313331333133313331323223313332   <<    C31231211111133131211113313331333133312111133133313331333133313232233133323   >>      C31231211111133131211113313331333133312111133133313331333133313232233133322   >>