C132233133112121111331333133313331312121111133313331323131113231211   >>    C13223313311212111133133313331333131212111113331333132313111323121   <<    C132233133112121111331333133313331312121111133313331323131113231213   >>      C132233133112121111331333133313331312121111133313331323131113231212   >>