C111123313121111121111331323133313331333132333133313331323221131321   >>    C11112331312111112111133132313331333133313233313331333132322113132   <<    C111123313121111121111331323133313331333132333133313331323221131323   >>      C111123313121111121111331323133313331333132333133313331323221131322   >>