C312322331333132212111133133313331333133312121111331333123233231   >>    C31232233133313221211113313331333133313331212111133133312323323   <<    C312322331333132212111133133313331333133312121111331333123233233   >>      C312322331333132212111133133313331333133312121111331333123233232   >>