C22121333132313311211113313331333133313331333132211233133313231331123232311   >>    C2212133313231331121111331333133313331333133313221123313331323133112323231   <<    C22121333132313311211113313331333133313331333132211233133313231331123232313   >>      C22121333132313311211113313331333133313331333132211233133313231331123232312   >>