C111123313121111121111331323133313331333132333133313331323222333231   >>    C11112331312111112111133132313331333133313233313331333132322233323   <<    C111123313121111121111331323133313331333132333133313331323222333233   >>      C111123313121111121111331323133313331333132333133313331323222333232   >>