C132233133112121111331333133313331333132313231332113313113312131   >>    C13223313311212111133133313331333133313231323133211331311331213   <<    C132233133112121111331333133313331333132313231332113313113312133   >>      C132233133112121111331333133313331333132313231332113313113312132   >>