C312322331333132212111133133313331333133312121111331333112121133131   >>    C31232233133313221211113313331333133313331212111133133311212113313   <<    C312322331333132212111133133313331333133312121111331333112121133133   >>      C312322331333132212111133133313331333133312121111331333112121133132   >>