C3123223313331322121111331333133313331333121211113313113313113121112321   >>    C312322331333132212111133133313331333133312121111331311331311312111232   <<    C3123223313331322121111331333133313331333121211113313113313113121112323   >>      C3123223313331322121111331333133313331333121211113313113313113121112322   >>