C31231211113313121211113313331333132313331323312111133132212111113113313221231   >>    C3123121111331312121111331333133313231333132331211113313221211111311331322123   <<    C31231211113313121211113313331333132313331323312111133132212111113113313221233   >>      C31231211113313121211113313331333132313331323312111133132212111113113313221232   >>