C3213322333133313113313221211113313331333132322333232223123222321   >>    C321332233313331311331322121111331333133313232233323222312322232   <<    C3213322333133313113313221211113313331333132322333232223123222323   >>      C3213322333133313113313221211113313331333132322333232223123222322   >>