C13223313311212111133133313331333132313331333131333131123313222321   >>    C1322331331121211113313331333133313231333133313133313112331322232   <<    C13223313311212111133133313331333132313331333131333131123313222323   >>      C13223313311212111133133313331333132313331333131333131123313222322   >>