C3213322333133313113313221211113313331333131111331322222123213131   >>    C321332233313331311331322121111331333133313111133132222212321313   <<    C3213322333133313113313221211113313331333131111331322222123213133   >>      C3213322333133313113313221211113313331333131111331322222123213132   >>