C313212111113331323312111133133313331333133313231333133313331333132333133312131   >>    C31321211111333132331211113313331333133313331323133313331333133313233313331213   <<    C313212111113331323312111133133313331333133313231333133313331333132333133312133   >>      C313212111113331323312111133133313331333133313231333133313331333132333133312132   >>