C312322331333132212111133133313331323133313221211113322121111331333212321333121   >>    C31232233133313221211113313331333132313331322121111332212111133133321232133312   <<    C312322331333132212111133133313331323133313221211113322121111331333212321333123   >>      C312322331333132212111133133313331323133313221211113322121111331333212321333122   >>