C3132121111331312113313331333133313331333112331333132212111112121   >>    C313212111133131211331333133313331333133311233133313221211111212   <<    C3132121111331312113313331333133313331333112331333132212111112123   >>      C3132121111331312113313331333133313331333112331333132212111112122   >>