C3132121111331312113313331333133313331333132313331333133313331333131122212221   >>    C313212111133131211331333133313331333133313231333133313331333133313112221222   <<    C3132121111331312113313331333133313331333132313331333133313331333131122212223   >>      C3132121111331312113313331333133313331333132313331333133313331333131122212222   >>