C312322331333132212111133133313331333133312121111113313113313331323231331123131   >>    C31232233133313221211113313331333133313331212111111331311331333132323133112313   <<    C312322331333132212111133133313331333133312121111113313113313331323231331123133   >>      C312322331333132212111133133313331333133312121111113313113313331323231331123132   >>