C132233133112121111331333133313331333132313231332113313113311212311   >>    C13223313311212111133133313331333133313231323133211331311331121231   <<    C132233133112121111331333133313331333132313231332113313113311212313   >>      C132233133112121111331333133313331333132313231332113313113311212312   >>