C132233133112121111331333133313231333133313231211113313232233132313221231   >>    C13223313311212111133133313331323133313331323121111331323223313231322123   <<    C132233133112121111331333133313231333133313231211113313232233132313221233   >>      C132233133112121111331333133313231333133313231211113313232233132313221232   >>