C3123223313331322121111331333133313331311331133133313231333211231231   >>    C312322331333132212111133133313331333131133113313331323133321123123   <<    C3123223313331322121111331333133313331311331133133313231333211231233   >>      C3123223313331322121111331333133313331311331133133313231333211231232   >>