C31232233133313221211113313331333133313331212111133131133131121213321   >>    C3123223313331322121111331333133313331333121211113313113313112121332   <<    C31232233133313221211113313331333133313331212111133131133131121213323   >>      C31232233133313221211113313331333133313331212111133131133131121213322   >>