C312322331333132212111133133313331333133312121111113313113313231331111   >>    C31232233133313221211113313331333133313331212111111331311331323133111   <<    C312322331333132212111133133313331333133312121111113313113313231331113   >>      C312322331333132212111133133313331333133312121111113313113313231331112   >>