C22121333132313311211113313331333133313331333132211233133313331323221323231   >>    C2212133313231331121111331333133313331333133313221123313331333132322132323   <<    C22121333132313311211113313331333133313331333132211233133313331323221323233   >>      C22121333132313311211113313331333133313331333132211233133313331323221323232   >>