C3132121111331312113313331333133313331333133313233313331323213121   >>    C313212111133131211331333133313331333133313331323331333132321312   <<    C3132121111331312113313331333133313331333133313233313331323213123   >>      C3132121111331312113313331333133313331333133313233313331323213122   >>