C312312111111331312111133132313331333133313331333131333133313331333132212323231   >>    C31231211111133131211113313231333133313331333133313133313331333133313221232323   <<    C312312111111331312111133132313331333133313331333131333133313331333132212323233   >>      C312312111111331312111133132313331333133313331333131333133313331333132212323232   >>