C3132121111331312113313331333133313331333112331333131133133313232112323222321   >>    C313212111133131211331333133313331333133311233133313113313331323211232322232   <<    C3132121111331312113313331333133313331333112331333131133133313232112323222323   >>      C3132121111331312113313331333133313331333112331333131133133313232112323222322   >>