C11111211113313112113313331333133313331333132212111133132313132231   >>    C1111121111331311211331333133313331333133313221211113313231313223   <<    C11111211113313112113313331333133313331333132212111133132313132233   >>      C11111211113313112113313331333133313331333132212111133132313132232   >>