C3132121111331312113313331333133313331333132313331333133313222123311   >>    C313212111133131211331333133313331333133313231333133313331322212331   <<    C3132121111331312113313331333133313331333132313331333133313222123313   >>      C3132121111331312113313331333133313331333132313331333133313222123312   >>