C111123313331323113313331323133313331333132331211113313331332111133132311331   >>    C11112331333132311331333132313331333133313233121111331333133211113313231133   <<    C111123313331323113313331323133313331333132331211113313331332111133132311333   >>      C111123313331323113313331323133313331333132331211113313331332111133132311332   >>