C31232233133313221211113313331333132313331322121111123121111121111331111232311   >>    C3123223313331322121111331333133313231333132212111112312111112111133111123231   <<    C31232233133313221211113313331333132313331322121111123121111121111331111232313   >>      C31232233133313221211113313331333132313331322121111123121111121111331111232312   >>