C312322331333132212111133133313331333133312121111331322121111331121   >>    C31232233133313221211113313331333133313331212111133132212111133112   <<    C312322331333132212111133133313331333133312121111331322121111331123   >>      C312322331333132212111133133313331333133312121111331322121111331122   >>