C31321211111333132331211113313331333133313331333133313331322221321   >>    C3132121111133313233121111331333133313331333133313331333132222132   <<    C31321211111333132331211113313331333133313331333133313331322221323   >>      C31321211111333132331211113313331333133313331333133313331322221322   >>