C1111133313331323223313331333133313331323131211113313221323221323321211   >>    C111113331333132322331333133313331333132313121111331322132322132332121   <<    C1111133313331323223313331333133313331323131211113313221323221323321213   >>      C1111133313331323223313331333133313331323131211113313221323221323321212   >>