C22121333132313311211113313331333133313331333132323213331312321   >>    C2212133313231331121111331333133313331333133313232321333131232   <<    C22121333132313311211113313331333133313331333132323213331312323   >>      C22121333132313311211113313331333133313331333132323213331312322   >>