C31232233133313221211113313331333133313331212111133131211111311112321   >>    C3123223313331322121111331333133313331333121211113313121111131111232   <<    C31232233133313221211113313331333133313331212111133131211111311112323   >>      C31232233133313221211113313331333133313331212111133131211111311112322   >>