C3132121111331312113313331333133313331333112331323133313331323311232131121   >>    C313212111133131211331333133313331333133311233132313331333132331123213112   <<    C3132121111331312113313331333133313331333112331323133313331323311232131123   >>      C3132121111331312113313331333133313331333112331323133313331323311232131122   >>