C3132121111331312113313331333133313331333132313331333133313331333133322122221   >>    C313212111133131211331333133313331333133313231333133313331333133313332212222   <<    C3132121111331312113313331333133313331333132313331333133313331333133322122223   >>      C3132121111331312113313331333133313331333132313331333133313331333133322122222   >>