C132233133112121111331333133313331323221323221211113313113313112122211   >>    C13223313311212111133133313331333132322132322121111331311331311212221   <<    C132233133112121111331333133313331323221323221211113313113313112122213   >>      C132233133112121111331333133313331323221323221211113313113313112122212   >>