C132233133112121111331333133313331323221323221211113313121111113121221   >>    C13223313311212111133133313331333132322132322121111331312111111312122   <<    C132233133112121111331333133313331323221323221211113313121111113121223   >>      C132233133112121111331333133313331323221323221211113313121111113121222   >>