C312322331333132212111133133313331333133312121111133313221131211   >>    C31232233133313221211113313331333133313331212111113331322113121   <<    C312322331333132212111133133313331333133312121111133313221131213   >>      C312322331333132212111133133313331333133312121111133313221131212   >>