C312322331333132212111133133313331333133312121111121111133313221331122321333131   >>    C31232233133313221211113313331333133313331212111112111113331322133112232133313   <<    C312322331333132212111133133313331333133312121111121111133313221331122321333133   >>      C312322331333132212111133133313331333133312121111121111133313221331122321333132   >>