C312312111111331312111133133313331322331333133313113313331123221   >>    C31231211111133131211113313331333132233133313331311331333112322   <<    C312312111111331312111133133313331322331333133313113313331123223   >>      C312312111111331312111133133313331322331333133313113313331123222   >>