C312322331333132212111133133313331323133313221211113313223223121   >>    C31232233133313221211113313331333132313331322121111331322322312   <<    C312322331333132212111133133313331323133313221211113313223223123   >>      C312322331333132212111133133313331323133313221211113313223223122   >>