C312322331333132212111133133313331323133313221211111211113331333131232133312231   >>    C31232233133313221211113313331333132313331322121111121111333133313123213331223   <<    C312322331333132212111133133313331323133313221211111211113331333131232133312233   >>      C312322331333132212111133133313331323133313221211111211113331333131232133312232   >>