C22121333132313311211113313331333133313331333132322331323323231   >>    C2212133313231331121111331333133313331333133313232233132332323   <<    C22121333132313311211113313331333133313331333132322331323323233   >>      C22121333132313311211113313331333133313331333132322331323323232   >>