C1111233131211111211113313331333133313331333131211111333133313331322313131   >>    C111123313121111121111331333133313331333133313121111133313331333132231313   <<    C1111233131211111211113313331333133313331333131211111333133313331322313133   >>      C1111233131211111211113313331333133313331333131211111333133313331322313132   >>