C313212111113331323312111133133313331333131212111133133313221121213311   >>    C31321211111333132331211113313331333133313121211113313331322112121331   <<    C313212111113331323312111133133313331333131212111133133313221121213313   >>      C313212111113331323312111133133313331333131212111133133313221121213312   >>