C312322331333132212111133133313331333133312121111331313113313121133131333121   >>    C31232233133313221211113313331333133313331212111133131311331312113313133312   <<    C312322331333132212111133133313331333133312121111331313113313121133131333123   >>      C312322331333132212111133133313331333133312121111331313113313121133131333122   >>