C312322331333132212111133133313331333133312121111113313222322131   >>    C31232233133313221211113313331333133313331212111111331322232213   <<    C312322331333132212111133133313331333133312121111113313222322133   >>      C312322331333132212111133133313331333133312121111113313222322132   >>