C3132121111133313233121111331333133313331333133313331333132313331331123121211   >>    C313212111113331323312111133133313331333133313331333133313231333133112312121   <<    C3132121111133313233121111331333133313331333133313331333132313331331123121213   >>      C3132121111133313233121111331333133313331333133313331333132313331331123121212   >>