C3132121111331312113313331333133313331333132313331333133313331333132333232211   >>    C313212111133131211331333133313331333133313231333133313331333133313233323221   <<    C3132121111331312113313331333133313331333132313331333133313331333132333232213   >>      C3132121111331312113313331333133313331333132313331333133313331333132333232212   >>