C312322331333132212111133133313331333133312121111113313113313232132322221   >>    C31232233133313221211113313331333133313331212111111331311331323213232222   <<    C312322331333132212111133133313331333133312121111113313113313232132322223   >>      C312322331333132212111133133313331333133312121111113313113313232132322222   >>