C312322331333132212111133133313331333133312121111331333133323311   >>    C31232233133313221211113313331333133313331212111133133313332331   <<    C312322331333132212111133133313331333133312121111331333133323313   >>      C312322331333132212111133133313331333133312121111331333133323312   >>