C312322331333132212111133133313331333133312121111331333133323131   >>    C31232233133313221211113313331333133313331212111133133313332313   <<    C312322331333132212111133133313331333133312121111331333133323133   >>      C312322331333132212111133133313331333133312121111331333133323132   >>