C312322331333132212111133133313331333133312121111133313331312313123231   >>    C31232233133313221211113313331333133313331212111113331333131231312323   <<    C312322331333132212111133133313331333133312121111133313331312313123233   >>      C312322331333132212111133133313331333133312121111133313331312313123232   >>