C1111133313331323223313331333133313331323131313121111331121131211   >>    C111113331333132322331333133313331333132313131312111133112113121   <<    C1111133313331323223313331333133313331323131313121111331121131213   >>      C1111133313331323223313331333133313331323131313121111331121131212   >>