C13223313311212111133133313331323133313331323131133131133133313331123313221221   >>    C1322331331121211113313331333132313331333132313113313113313331333112331322122   <<    C13223313311212111133133313331323133313331323131133131133133313331123313221223   >>      C13223313311212111133133313331323133313331323131133131133133313331123313221222   >>