C3132121111331312113313331333133313331333132313331322331333112321   >>    C313212111133131211331333133313331333133313231333132233133311232   <<    C3132121111331312113313331333133313331333132313331322331333112323   >>      C3132121111331312113313331333133313331333132313331322331333112322   >>