C312322331333132212111133133313331333133312121111331333132222113123231   >>    C31232233133313221211113313331333133313331212111133133313222211312323   <<    C312322331333132212111133133313331333133312121111331333132222113123233   >>      C312322331333132212111133133313331333133312121111331333132222113123232   >>