C111123313331323113313331323133313331333132331211113313331332113313121123231   >>    C11112331333132311331333132313331333133313233121111331333133211331312112323   <<    C111123313331323113313331323133313331333132331211113313331332113313121123233   >>      C111123313331323113313331323133313331333132331211113313331332113313121123232   >>