C111123313331323113313331333133313231333132231211331323223322231   >>    C11112331333132311331333133313331323133313223121133132322332223   <<    C111123313331323113313331333133313231333132231211331323223322233   >>      C111123313331323113313331333133313231333132231211331323223322232   >>