C312322331333132212111133133313331333133312121111331323221333132311312231   >>    C31232233133313221211113313331333133313331212111133132322133313231131223   <<    C312322331333132212111133133313331333133312121111331323221333132311312233   >>      C312322331333132212111133133313331333133312121111331323221333132311312232   >>