C313212111113331323312111133133313331333131212111133133313221121212111   >>    C31321211111333132331211113313331333133313121211113313331322112121211   <<    C313212111113331323312111133133313331333131212111133133313221121212113   >>      C313212111113331323312111133133313331333131212111133133313221121212112   >>