C312322331333132212111133133313331323133313221211113311213231211   >>    C31232233133313221211113313331333132313331322121111331121323121   <<    C312322331333132212111133133313331323133313221211113311213231213   >>      C312322331333132212111133133313331323133313221211113311213231212   >>