C111123313331323113313331333133313331323133112113313113313132322123221   >>    C11112331333132311331333133313331333132313311211331311331313232212322   <<    C111123313331323113313331333133313331323133112113313113313132322123223   >>      C111123313331323113313331333133313331323133112113313113313132322123222   >>