C313212111113331323312111133133313331333131212111133133313331322112221   >>    C31321211111333132331211113313331333133313121211113313331333132211222   <<    C313212111113331323312111133133313331333131212111133133313331322112223   >>      C313212111113331323312111133133313331333131212111133133313331322112222   >>