C2132113313331312121111331333132313331311312111133133313221133132211   >>    C213211331333131212111133133313231333131131211113313331322113313221   <<    C2132113313331312121111331333132313331311312111133133313221133132213   >>      C2132113313331312121111331333132313331311312111133133313221133132212   >>