C22212323232133313113313331333132313331323133313332331132223322333321   >>    C2221232323213331311331333133313231333132313331333233113222332233332   <<    C22212323232133313113313331333132313331323133313332331132223322333323   >>      C22212323232133313113313331333132313331323133313332331132223322333322   >>