C312322331333132212111133133313331333133312121111331322123231321   >>    C31232233133313221211113313331333133313331212111133132212323132   <<    C312322331333132212111133133313331333133312121111331322123231323   >>      C312322331333132212111133133313331333133312121111331322123231322   >>