C31232233133313221211113313331333133313331212111133131333132311211311321   >>    C3123223313331322121111331333133313331333121211113313133313231121131132   <<    C31232233133313221211113313331333133313331212111133131333132311211311323   >>      C31232233133313221211113313331333133313331212111133131333132311211311322   >>