C3132121111331312113313331333133313331333132313331333133313331333131121223121   >>    C313212111133131211331333133313331333133313231333133313331333133313112122312   <<    C3132121111331312113313331333133313331333132313331333133313331333131121223123   >>      C3132121111331312113313331333133313331333132313331333133313331333131121223122   >>