C312322331333132212111133133313331333133312121111331333133112123131   >>    C31232233133313221211113313331333133313331212111133133313311212313   <<    C312322331333132212111133133313331333133312121111331333133112123133   >>      C312322331333132212111133133313331333133312121111331333133112123132   >>