C3132121111331312113313331333133313331333112331333132322121123131   >>    C313212111133131211331333133313331333133311233133313232212112313   <<    C3132121111331312113313331333133313331333112331333132322121123133   >>      C3132121111331312113313331333133313331333112331333132322121123132   >>