C111123313331323113313331323133313331333132331211113313331323133313331323222211   >>    C11112331333132311331333132313331333133313233121111331333132313331333132322221   <<    C111123313331323113313331323133313331333132331211113313331323133313331323222213   >>      C111123313331323113313331323133313331333132331211113313331323133313331323222212   >>