C312312111133131212111133133313331323133313233121111331311331322331323132311321   >>    C31231211113313121211113313331333132313331323312111133131133132233132313231132   <<    C312312111133131212111133133313331323133313233121111331311331322331323132311323   >>      C312312111133131212111133133313331323133313233121111331311331322331323132311322   >>