C312312111133131212111133133313331322331323223313231333132313331313233121   >>    C31231211113313121211113313331333132233132322331323133313231333131323312   <<    C312312111133131212111133133313331322331323223313231333132313331313233123   >>      C312312111133131212111133133313331322331323223313231333132313331313233122   >>