C132233133112121111331333133313331333131232233132313331333113313331311   >>    C13223313311212111133133313331333133313123223313231333133311331333131   <<    C132233133112121111331333133313331333131232233132313331333113313331313   >>      C132233133112121111331333133313331333131232233132313331333113313331312   >>