C3132121111133313233121111331333133313331333133313331333133313331312331313121   >>    C313212111113331323312111133133313331333133313331333133313331333131233131312   <<    C3132121111133313233121111331333133313331333133313331333133313331312331313123   >>      C3132121111133313233121111331333133313331333133313331333133313331312331313122   >>