C132233133112121111331333133313331333132313231332133313113313132211   >>    C13223313311212111133133313331333133313231323133213331311331313221   <<    C132233133112121111331333133313331333132313231332133313113313132213   >>      C132233133112121111331333133313331333132313231332133313113313132212   >>