C313212111113331323312111133133313331333133313331333121111331333132322131   >>    C31321211111333132331211113313331333133313331333133312111133133313232213   <<    C313212111113331323312111133133313331333133313331333121111331333132322133   >>      C313212111113331323312111133133313331333133313331333121111331333132322132   >>