C3132121111331312113313331333133313331322331323133313232313232233131   >>    C313212111133131211331333133313331333132233132313331323231323223313   <<    C3132121111331312113313331333133313331322331323133313232313232233133   >>      C3132121111331312113313331333133313331322331323133313232313232233132   >>