C3123223313331322121111331333133313331333121211111211111232311213121   >>    C312322331333132212111133133313331333133312121111121111123231121312   <<    C3123223313331322121111331333133313331333121211111211111232311213123   >>      C3123223313331322121111331333133313331333121211111211111232311213122   >>