C22121333132313311211113313331333133313331211113313331333131133133313232332311   >>    C2212133313231331121111331333133313331333121111331333133313113313331323233231   <<    C22121333132313311211113313331333133313331211113313331333131133133313232332313   >>      C22121333132313311211113313331333133313331211113313331333131133133313232332312   >>