C22121333132313311211113313331333131133133313331333132223223331   >>    C2212133313231331121111331333133313113313331333133313222322333   <<    C22121333132313311211113313331333131133133313331333132223223333   >>      C22121333132313311211113313331333131133133313331333132223223332   >>