C132233133112121111331333133313231333133313231133131133132313231211121   >>    C13223313311212111133133313331323133313331323113313113313231323121112   <<    C132233133112121111331333133313231333133313231133131133132313231211123   >>      C132233133112121111331333133313231333133313231133131133132313231211122   >>