C3132121111331312113313331333133313331322331323133313332313213121   >>    C313212111133131211331333133313331333132233132313331333231321312   <<    C3132121111331312113313331333133313331322331323133313332313213123   >>      C3132121111331312113313331333133313331322331323133313332313213122   >>