C312322331333132212111133133313331333133312121111121111331211111311223323131   >>    C31232233133313221211113313331333133313331212111112111133121111131122332313   <<    C312322331333132212111133133313331333133312121111121111331211111311223323133   >>      C312322331333132212111133133313331333133312121111121111331211111311223323132   >>