C3132121111331312113313331333133313331333121111331333133313331311221123232321   >>    C313212111133131211331333133313331333133312111133133313331333131122112323232   <<    C3132121111331312113313331333133313331333121111331333133313331311221123232323   >>      C3132121111331312113313331333133313331333121111331333133313331311221123232322   >>