C312322331333132212111133133313331333133312121111331333121331131121   >>    C31232233133313221211113313331333133313331212111133133312133113112   <<    C312322331333132212111133133313331333133312121111331333121331131123   >>      C312322331333132212111133133313331333133312121111331333121331131122   >>