C132233133112121111331333133313331323132313231333131133132212122121   >>    C13223313311212111133133313331333132313231323133313113313221212212   <<    C132233133112121111331333133313331323132313231333131133132212122123   >>      C132233133112121111331333133313331323132313231333131133132212122122   >>