C31232233133313221211113313331333133313331212111133133112213132311   >>    C3123223313331322121111331333133313331333121211113313311221313231   <<    C31232233133313221211113313331333133313331212111133133112213132313   >>      C31232233133313221211113313331333133313331212111133133112213132312   >>