C132233133112121111331333133313331312121111133313331333211112121   >>    C13223313311212111133133313331333131212111113331333133321111212   <<    C132233133112121111331333133313331312121111133313331333211112123   >>      C132233133112121111331333133313331312121111133313331333211112122   >>