C111123313121111121111331323133313331333132322121111133313331311112112231   >>    C11112331312111112111133132313331333133313232212111113331333131111211223   <<    C111123313121111121111331323133313331333132322121111133313331311112112233   >>      C111123313121111121111331323133313331333132322121111133313331311112112232   >>