C31232233133313221211113313331333133313332321333132233131132311   >>    C3123223313331322121111331333133313331333232133313223313113231   <<    C31232233133313221211113313331333133313332321333132233131132313   >>      C31232233133313221211113313331333133313332321333132233131132312   >>