C312322331333132212111133133313331333133312121111331312111112111231   >>    C31232233133313221211113313331333133313331212111133131211111211123   <<    C312322331333132212111133133313331333133312121111331312111112111233   >>      C312322331333132212111133133313331333133312121111331312111112111232   >>