C312322331333132212111133133313331333133312121111121111331211111212323221   >>    C31232233133313221211113313331333133313331212111112111133121111121232322   <<    C312322331333132212111133133313331333133312121111121111331211111212323223   >>      C312322331333132212111133133313331333133312121111121111331211111212323222   >>