C31232233133313221211113313331333133313331212111133131333132313331311211233131   >>    C3123223313331322121111331333133313331333121211113313133313231333131121123313   <<    C31232233133313221211113313331333133313331212111133131333132313331311211233133   >>      C31232233133313221211113313331333133313331212111133131333132313331311211233132   >>