C31232233133313221211113313331333132313331322121111331322211121   >>    C3123223313331322121111331333133313231333132212111133132221112   <<    C31232233133313221211113313331333132313331322121111331322211123   >>      C31232233133313221211113313331333132313331322121111331322211122   >>