C13223313311212111133133313331333132332313112113313331323132313331123313222211   >>    C1322331331121211113313331333133313233231311211331333132313231333112331322221   <<    C13223313311212111133133313331333132332313112113313331323132313331123313222213   >>      C13223313311212111133133313331333132332313112113313331323132313331123313222212   >>