C132233133112121111331333133313231333133313231133133313113312131   >>    C13223313311212111133133313331323133313331323113313331311331213   <<    C132233133112121111331333133313231333133313231133133313113312133   >>      C132233133112121111331333133313231333133313231133133313113312132   >>