C3123223313331322121111331333133313331333121211111232313331323133313111   >>    C312322331333132212111133133313331333133312121111123231333132313331311   <<    C3123223313331322121111331333133313331333121211111232313331323133313113   >>      C3123223313331322121111331333133313331333121211111232313331323133313112   >>