C313212111113331323312111133133313331333131212111133133313331322112121211   >>    C31321211111333132331211113313331333133313121211113313331333132211212121   <<    C313212111113331323312111133133313331333131212111133133313331322112121213   >>      C313212111113331323312111133133313331333131212111133133313331322112121212   >>