C1111233133313231133133313331333133313233231133133313331322231311312311   >>    C111123313331323113313331333133313331323323113313331333132223131131231   <<    C1111233133313231133133313331333133313233231133133313331322231311312313   >>      C1111233133313231133133313331333133313233231133133313331322231311312312   >>