C31232233133313221211113313331333132313331322121111331333112211232211331   >>    C3123223313331322121111331333133313231333132212111133133311221123221133   <<    C31232233133313221211113313331333132313331322121111331333112211232211333   >>      C31232233133313221211113313331333132313331322121111331333112211232211332   >>