C312312111133131212111133133313231333133313331322121111331333132313222333131   >>    C31231211113313121211113313331323133313331333132212111133133313231322233313   <<    C312312111133131212111133133313231333133313331322121111331333132313222333133   >>      C312312111133131212111133133313231333133313331322121111331333132313222333132   >>