C3132121111331312113313331333133313331333132313331333133313331331123232223311   >>    C313212111133131211331333133313331333133313231333133313331333133112323222331   <<    C3132121111331312113313331333133313331333132313331333133313331331123232223313   >>      C3132121111331312113313331333133313331333132313331333133313331331123232223312   >>